Attachment A - Applicant's Plan Set and Written Statement

Regular Meeting, October 1, 2026 · item 4A: Consideration of a Site Review application for a proposal to redevelop the Naropa campus at 2106 and 2130 Arapahoe Ave. with approximately 1… · 97 pages

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HUB BOULDER - ARAPAHOE SITE PLAN REVIEW - RESUBMITTAL 03 2130 ARAPAHOE AVE, BOULDER, CO 80302

SITE: 2130 ARAPAHOE AVE. BOULDER, CO 80302

SHEET INDEX 01-GENERAL A 0.0 COVER SHEET A 0.01 HIGH DENSITY ZONING A 0.02 ZONING MAP - RH-1 CU OWNERSHIP A 0.03 EXISTING AND PROPOSED LAND USE A 0.04 EXISTING CONTEXT AROUND SITE A 0.05 EXISTING CONTEXT BUILDING HEIGHT A 0.06 SITE CONTEXT - CU CAMPUS MASTERPLAN 2021 A 0.07 SITE CONTEXT - CU CAMPUS MASTERPLAN 2021 A 0.08 SITE CONNECTIONS AND CIRCULATION A 0.09 SITE CIRCULATION A 0.10 FLOOD DIAGRAMS A 0.11 FLOOD DIAGRAMS A 0.12 SITE ANALYSIS - EXISTING CONDITIONS AND SITE FEATURES A 0.13 EXISTING CONDITIONS STREET VIEWS A 0.14 SOLAR SHADING PLAN A 0.15 SITE SHADOW ANALYSIS A 0.16 MASSING DEVELOPMENT A 0.20 CITY OF BOULDER AREA PLAN 02-CIVIL C1.00

VICINITY MAP

C2.00 C3.00 C4.00

EXISTING CONDITIONS & DEMOLITION PLAN SITE PLAN GRADING PLAN UTILITY PLAN

C5.00 C6.00 C6.10 C6.20 C6.30 C6.40 C6.50 C7.00 C7.10 D1 D2

EASEMENT PLAN OVERALL STORM PLAN DRAINAGE DETAILS DRAINAGE DETAILS DRAINAGE DETAILS DRAINAGE DETAILS DRAINAGE DETAILS TURNING MOVEMENTS TURNING MOVEMENTS EXISTING DRAINAGE PLAN PROPOSED DRAINAGE PLAN

03-LANDSCAPE L001 SITE NOTES L002 OVERALL SITE PLAN L003 TREE INVENTORY LS101 GROUND FLOOR SITE PLAN LS102 SECOND FLOOR SITE PLAN LS103 FOURTH FLOOR SITE PLAN LS201 ENLARGEMENT PLAN LS202 ENLARGEMENT PLAN LS301 SECTIONS LS501 SITE DETAILS LS502 SITE DETAILS LP100 PLANTING NOTES AND SCHEDULE LP101 GROUND FLOOR PLANTING PLAN LP102 SECOND FLOOR PLANTING PLAN LP103 FOURTH FLOOR PLANTING PLAN LP501 PLANTING DETAILS

05-ARCHITECTURAL A 1.00 SITE PLAN A 1.01 SETBACK PLAN A 1.02 ENLARGED PARKING PLANS & INFORMATION A 1.11 LEVEL 1 PLAN A 1.12 LEVEL 2 PLAN A 1.13 LEVEL 3 PLAN A 1.14 LEVEL 4 PLAN A 1.15 ROOF PLAN A 2.00 EXTERIOR NORTH ELEVATION A 2.01 EXTERIOR WEST ELEVATION A 2.02 EXTERIOR SOUTH ELEVATION A 2.03 EXTERIOR EAST ELEVATION A 2.04 EXTERIOR ELEVATIONS - COURTYARD A 2.05 EXTERIOR ELEVATIONS - TOWNHOUSE A 2.06 EXTERIOR ELEVATIONS - ARAPAHOE & CHESTNUT HOUSE A 3.00 BUILDING SECTIONS A 3.01 BUILDING SECTIONS A 9.00 CONCEPTUAL RENDERINGS A 9.01 CONCEPTUAL RENDERINGS A 9.02 CONCEPTUAL SITE EXPERIENCE VIGNETTES A 9.10 DESIGN EXCELLENCE A 9.11 DESIGN EXCELLENCE A 9.12 DESIGN EXCELLENCE A 9.13 DESIGN EXCELLENCE A 9.14 DESIGN EXCELLENCE

HUB BOULDER - ARAPAHOE | 2130 ARAPAHOE AVE. | SITE PLAN REVIEW 07.29.2026

COVER SHEET

A 0.0

2505 Walnut Street | Suite 200 | Boulder, CO 80302 | 303.442.4422 | www.sophersparn.com

PROJECT SITE: 2130 ARAPAHOE AVE.

The majority of the CU campus today is mostly surrounded by zoning districts with FARs greater than 1.0, and much of the surroundings have an FAR of 1.5 or greater. The intent of doing so was to congregate student housing areas adjacent to campus in clearly defined areas and thus limit their impact on single family residential neighborhoods. These zones include the RH-3 (unlimited FAR), RH-5 (1.5 FAR), BMS (1.5 FAR), BT-1 (1.4 FAR), with Site Review approval. Allowing these greater density areas surrounding the campus incentivizes private development to target these zones for student housing projects, while maintaining the city’s purview via the Land Use Code, over the development of these areas.

HIGH DENSITY ZONING DISTRICTS BORDERING UNIVERSITY OF COLORADO PERIMETER HUB BOULDER - ARAPAHOE | 2130 ARAPAHOE AVE. | SITE PLAN REVIEW 07.29.2026

HIGH DENSITY ZONING

A 0.01

2505 Walnut Street | Suite 200 | Boulder, CO 80302 | 303.442.4422 | www.sophersparn.com

RESIDENCE ONE - ENLARGED ZONING MAP

UNIVERSITY OF COLORADO OWNERSHIP IN RELATION TO LOW DENSITY ZONES

LOW DENSITY ZONING MAP LEGEND:

PROJECT SITE

RH-1 ZONING DISTRICT

RMX-1 ZONING DISTRICT

RH-2 ZONING DISTRICT

UNIVERSITY OWNED PARCELS

There are areas where the city has maintained lower density zoning adjacent to the campus. The most relevant one to this discussion is the area west of Naropa, which today is zoned RH-1, where the density is limited to 0.67 FAR. The purpose of doing so is clearly with the intent of limiting the impacts of larger scale and higher density projects, from impacting Goss-Grove. At an FAR of .67, the RH-1 zoning ostensibly limits the possibility of significant private development between the Public zoned areas, which are nominally owned by CU. It does so because any project of scale would need substantially more development capability (1.5 FAR or greater), than the RH-1 affords. This is particularly true when we take into account that the entire area is within the 100-year floodplain and has to accommodate the additional limitation on development that this requires.

RESIDENCE ONE - AERIAL VIEW OF CONSTRUCTION

Today, CU already owns significant parcels in the RH-1 zone as shown in the map above. While RH-1 zoning prevents the redevelopment of the area between the Public zoning and the properties north of Arapahoe by private developers, it makes no such limitation on development by CU. Pictured to the right is the cleared site prepared for the construction of the Residence One building. Above this is the city’s zoning map with the building site outlined. This map clearly shows that the site significantly overlaps with the RH-1 zone. HUB BOULDER - ARAPAHOE | 2130 ARAPAHOE AVE. | SITE PLAN REVIEW 07.29.2026

ZONING MAP - RH-1 CU OWNERSHIP

A 0.02

2505 Walnut Street | Suite 200 | Boulder, CO 80302 | 303.442.4422 | www.sophersparn.com

PROJECT SITE: 2130 ARAPAHOE AVE.

CURRENT LAND USE With the departure of Naropa from this site and their needs in mind for the sale of the property, as well as the city’s need for housing, particularly in this location, the Public Zone District no longer makes sense for this property. Specifically considering residential use on this site, while Public Zoning supports an unlimited floor area for any use other than residential, it allows a maximum of 6 dwelling units per acre for residential use. This effectively rules out the purchase of property by a private residential developer. The proposed change is consistent with the policies and overall intent of the Comp Plan, and specifically with the following policies:

PROJECT SITE: 2130 ARAPAHOE AVE.

PROPOSED LAND USE 2.13 Protection of Residential Neighborhoods Adjacent to Non- Residential - Building up the density of housing geared towards CU students immediately adjacent to the University prevents the leakage of student housing into the single-family neighborhoods to the north. This has been the policy of the city for the majority of the campus perimeter. Allowing for significant development of private student housing south of Arapahoe maintains the city’s land use policy and control over that development and does so in a manner that cannot be predicted if the property is purchased and developed by the University.

8.13 Support for Community Facilities - Naropa needs to make this change in their facilities in order to maintain its long-term health and viability. The sale of this land that they have been stewards of for 40 years facilitates the institution's future and sustainability in the Boulder community. 7.07 Mixture of Housing Types - Providing student-oriented housing in structures that are intended for the specific needs of students, and particularly at the CU Campus perimeter is consistent with placing students in an appropriate housing context, allowing for the continuity of family oriented housing and mixed middle income housing in other areas of the city more suited for those needs.

HUB BOULDER - ARAPAHOE | 2130 ARAPAHOE AVE. | SITE PLAN REVIEW 07.29.2026

EXISTING AND PROPOSED LAND USE

A 0.03

2505 Walnut Street | Suite 200 | Boulder, CO 80302 | 303.442.4422 | www.sophersparn.com

23RD ST.

22ND ST.

21ST ST.

GROVE ST.

MARINE ST.

26TH ST.

19TH ST.

20TH ST.

FOLSOM ST.

17TH ST.

18TH ST.

ARAPAHOE AVE.

ATHENS ST.

LOW-DENSITY RESIDENTIAL

HIGH-DENSITY RESIDENTIAL

HOSPITALITY

MID-DENSITY RESIDENTIAL

CAMPUS

COMMERCIAL

BUILDING HEIGHTS 1. 25' 2. 27' 3. 33' 4. 35' 5. 31' 6. 21' 7. 26' 8. 31' 9. 15' 10. 15'

11. 45' 12. 45' 13. 46' 14. 41' 15. 32' 16. 41' 17. 68' 18. 23' 19. 30' 20. 16'

NOT TO SCALE

HUB BOULDER - ARAPAHOE | 2130 ARAPAHOE AVE. | SITE PLAN REVIEW 07.29.2026

EXISTING CONTEXT AROUND SITE

A 0.04

2505 Walnut Street | Suite 200 | Boulder, CO 80302 | 303.442.4422 | www.sophersparn.com

LEGEND 100' PERIMETER FROM PROPERTY LINE HEIGHT OF BUILDING IN FEET

HEIGHT OF EXISTING BUILDINGS AROUND SITE HUB BOULDER - ARAPAHOE | 2130 ARAPAHOE AVE. | SITE PLAN REVIEW 07.29.2026

EXISTING CONTEXT BUILDING HEIGHT

A 0.05

2505 Walnut Street | Suite 200 | Boulder, CO 80302 | 303.442.4422 | www.sophersparn.com

23RD ST.

22ND ST.

21ST ST.

20TH ST.

19TH ST.

PROJECT SITE: 2130 ARAPAHOE AVE.

CU RESIDENCE ONE UNDER CONSTRUCTION

MILLENNIUM HOTEL REDEVELOPMENT THE STANDARD UNDER CONTRSUTCTION

PROJECT SITE - 2130 ARAPAHOE AVE. RH-1 ZONING DISTRICT NEW AND PROPOSED PRIVATE STUDENT HOUSING NEW AND PROPOSED CU STUDENT HOUSING EXISTING CU BUILDINGS CU RESIDENCE ONE PROJECT SITE

CU CAMPUS MASTER PLAN 2021 - NORTH BOULDER CREEK CAMPUS FRAMEWORK

HUB BOULDER - ARAPAHOE | 2130 ARAPAHOE AVE. | SITE PLAN REVIEW 07.29.2026

SITE CONTEXT - CU CAMPUS MASTERPLAN 2021

A 0.06

2505 Walnut Street | Suite 200 | Boulder, CO 80302 | 303.442.4422 | www.sophersparn.com

CU CAMPUS MASTERPLAN 2021 NORTH BOULDER CREEK FRAMEWORK – BUILDING HEIGHT CONTEXT

HUB BOULDER - ARAPAHOE | 2130 ARAPAHOE AVE. | SITE PLAN REVIEW 07.29.2026

SITE CONTEXT - CU CAMPUS MASTERPLAN 2021

A 0.07

2505 Walnut Street | Suite 200 | Boulder, CO 80302 | 303.442.4422 | www.sophersparn.com

EMMA GOMEZ MARTINEZ PARK

TO PEARL ST.

LEGEND SITE

MCGUCKIN WAY GOSS CIR W.

BIKE ROUTE

GOSS ST.

OPEN GREEN SPACE

RETAIL & GROCERY

GROVE CIR W.

23TH STREET

20TH STREET

BUS STOP

GROVE ST.

BUS ROUTE CAN PROJECT

ARAPAHOE AVE.

PROPOSED CAMPUS WALK CONNECTION

SITE

1/4 MILE

MARINE ST.

1/2 MILE

ROADS

RETAIL & GROCERY

28TH ST.

1/4 MILE

CAMPUS FOLSOM ST.

MARINE ST.

19TH STREET

17TH STREET

ARAPAHOE AVE.

1/2 MILE

MULTI-USE PATH

22TH STREET

GOSS ST.

21TH STREET

18TH STREET

EET

STR

EET

15TH

STR

19TH STREET

16TH

21TH STREET

CANYON BLVD.

ATHENS ST.

GRANDVIEW AVE.

ATHLETICS PRACTICE FIELD

CORDRY CT.

BOULDER CREEK

STADIUM DR.

MACKY DR.

UNIVERSITY AVE.

TAFT DR.

SU ND

UNIVERSITY HEIGHTS AVE.

PLEASANT ST.

SPRINGDALE LN.

NOT TO SCALE

HUB BOULDER - ARAPAHOE | 2130 ARAPAHOE AVE. | SITE PLAN REVIEW 07.29.2026

SITE CONNECTIONS AND CIRCULATION

A 0.08

2505 Walnut Street | Suite 200 | Boulder, CO 80302 | 303.442.4422 | www.sophersparn.com

PROPOSED PUSH BUTTON CROSSING

PEDESTRIAN CROSSING

ARAPAHOE AVE.

LEGEND PROPERTY LINE BUILDING FOOTPRINT

SLOPED WALK TO MAIN LEVEL

BUS STOP PRIVATE VEHICLE ACCESS

MAIN BUILDING

TOWNHOUSE BUILDING

RAMP TO MAIN LEVEL OF ARAPAHOE AND CHESTNUT HOUSE

VEHICLE ENTRY PUBLIC ROAD BIKE ROUTE

LINCOLN HALL ELEVATORS TO ALL OTHER LEVELS

BIKE PARKING SHORT-TERM

SLOPED WALK TO MAIN LEVEL

BIKE PARKING LONG-TERM MULTI-USE PATH PRIVATE WALK ACCESSIBLE ROUTE BUILDING ENTRY

H.C. VAN

H.C. H.C.

BICYCLE STATION ACCESS FROM H.C. PARKING TO MAIN LEVEL

PARKING GARAGE SIDEWALK

MARINE ST. 0

SITE CIRCULATION DIAGRAM

16'

32'

64'

HUB BOULDER - ARAPAHOE | 2130 ARAPAHOE AVE. | SITE PLAN REVIEW 07.29.2026 TO CAMPUS

TO CAMPUS

SITE CIRCULATION

A 0.09

2505 Walnut Street | Suite 200 | Boulder, CO 80302 | 303.442.4422 | www.sophersparn.com

ARAPAHOE HOUSE BFE = 5313.45 FPE = 5315.45' MIN. FFE = 5315.59'

MAIN BUILDING BFE = 5312.57' FPE = 5314.57' MIN. FFE = 5314.59'

LINCOLN HALL BFE = 5312.24 FPE = 5314.24' MIN. FFE = 5315.58'

TOWNHOUSE BUILDING BFE = 5311.47 FPE = 5313.47' MIN. FFE = 5313.59'

TOWNHOUSE BUILDING LOW POINT = 5308.65

CHESTNUT HOUSE BFE = 5313.55 FPE = 5315.45' MIN. FFE = 5315.59'

PROJECT SITE: 2130 ARAPAHOE AVE.

' 25

-0

A 0.11 1

COVERED PARKING BFE = 5312.57 FPE = 5314.57' PARKING & STORAGE AREA FFE = 5311.09' (1.48' BELOW BFE, 1.5' MAX. ALLOWED)

1 A 0.10

R '-

25 0"

2 A 0.11

FLOODPLAIN CONTEXT

BASE FLOOD ELEVATION - SITE PLAN

MAIN BUILDING BFE = 5312.57 FPE = 5314.57' MIN. FFE = 5314.59'

MAIN BUILDING LOW POINT = 5306.50

ROOF LEVEL 142' - 4" LEVEL 4 132' - 0" RESIDENTIAL UNITS

RESIDENTIAL UNITS

RESIDENTIAL UNITS LEVEL 3 121' - 8"

BIKE PARKING

EXISTING GRADE SHOWN IN GREEN BASE FLOOD ELEVATION & BUILDING LOW POINT - SECTION DIAGRAM

COVERED PARKING

MAX. 18" BELOW PARKING BFE

LEVEL 2 111' - 4" LEVEL 1 100' - 0"

LEVEL 1 @ F.P.E. = 5314' 7 1/8" MAIN BUILDING - BFE 5312' - 6 7/8"

PARKING 96' - 6" BLDG. LOW POINT 5306' - 6"

8' - 1" BUILDING LOW-POINT TO FLOOD PROTECTION ELEVATION

HUB BOULDER - ARAPAHOE | 2130 ARAPAHOE AVE. | SITE PLAN REVIEW 07.29.2026

FLOOD DIAGRAMS

A 0.10

2505 Walnut Street | Suite 200 | Boulder, CO 80302 | 303.442.4422 | www.sophersparn.com

ENCLOSURE OPENING CALCULATIONS AREA OF ENCLOSURE: 28, 019 SF OPENINGS PROVIDED:

117,792 SI

NORTH: 376 SF SOUTH: 442 SF

= =

54,144 SI 63,648 SI

TOTAL: 818 SF

117,792 SI

1 SI OF OPENINGS PER 1SF OF ENCLOSED SPACE OPENINGS REQUIRED: 28,019 SI

PER CITY OF BOULDER MUNICIPAL CODE SECTION 9-3-3: REGULATIONS GOVERNING THE ONE HUNDREDYEAR FLOODPLAIN. ENCLOSURES: ENCLOSURES BELOW THE LOWEST FLOOR THAT ARE UNFINISHED OR FLOOD RESISTANT, USABLE SOLELY FOR PARKING OF VEHICLES, CRAWL SPACES, BUILDING ACCESS OR STORAGE, IN AN AREA THAT IS NOT A BASEMENT, AND THAT ARE NOT FLOODPROOFED AS SET FORTH IN THIS SECTION SHALL MEET THE FOLLOWING REQUIREMENTS: (A)COMPLIANCE WITH THE PROVISIONS OF PARAGRAPHS (A)(2), (A)(3), AND (A)(4) OF THIS SECTION; AND (B)DESIGN AND CONSTRUCTION THAT AUTOMATICALLY EQUALIZES HYDROSTATIC FLOOD FORCES ON EXTERIOR WALLS BY ALLOWING FOR THE ENTRY AND EXIT OF FLOODWATERS. I.DESIGNS FOR MEETING THIS REQUIREMENT SHALL MEET OR EXCEED THE FOLLOWING MINIMUM CRITERIA: A MINIMUM OF TWO OPENINGS HAVING A TOTAL NET AREA OF NOT LESS THAN ONE SQUARE INCH FOR EVERY SQUARE FOOT OF ENCLOSED AREA SUBJECT TO FLOODING SHALL BE PROVIDED. THE BOTTOM OF ALL OPENINGS SHALL BE NO HIGHER THAN ONE FOOT ABOVE GRADE. OPENINGS MAY BE EQUIPPED WITH SCREENS, LOUVERS, VALVES, OR OTHER COVERINGS OR DEVICES PROVIDED THAT THEY PERMIT THE AUTOMATIC ENTRY AND EXIT OF FLOODWATERS.

SF: SQUARE FEET SI: SQUARE INCH

II.ANY DESIGNS NOT IN CONFORMANCE WITH SUBPARAGRAPH (B)I. ABOVE SHALL BE CERTIFIED BY A REGISTERED PROFESSIONAL ENGINEER OR LICENSED ARCHITECT AND SHALL CONFORM WITH THE MOST CURRENT FEMA TECHNICAL BULLETIN ON OPENINGS IN FOUNDATION WALLS.

SCREENED OPENINGS: 376 SF LEVEL 2 111' - 4"

LEVEL 1 100' - 0" MAIN BUILDING - BFE 5312' - 6 7/8" 7 1/4"

PARKING 96' - 6"

NORTH ELEV - FLOOD VENT DIAGRAM 1/8" = 1'-0"

ROOF LEVEL 142' - 4"

LEVEL 4 132' - 0"

LEVEL 3 121' - 8"

LEVEL 2 111' - 4"

PERFORATED SCREEN OVERHEAD DOOR TO GARAGE

SWING DOOR TO BIKE STORAGE

GARAGE BEYOND

SCREENED OPENINGS: 263 SF LEVEL 1 100' - 0"

OPENING: 209 SF

7 1/4"

MAIN BUILDING - BFE 5312' - 6 7/8"

SOUTH ELEV - FLOOD VENT DIAGRAM

PARKING 96' - 6" BLDG. LOW POINT 5306' - 6"

1/8" = 1'-0"

HUB BOULDER - ARAPAHOE | 2130 ARAPAHOE AVE. | SITE PLAN REVIEW 07.29.2026

FLOOD DIAGRAMS

A 0.11

2505 Walnut Street | Suite 200 | Boulder, CO 80302 | 303.442.4422 | www.sophersparn.com

CHESTNUT HOUSE: TO BE RELOCATED ON SITE

ARAPAHOE HOUSE:

(6)

TO BE RELOCATED ON SITE

(4)

TEA HOUSE: TO BE RELOCATED TO NAROPA CAMPUS

HARRY SMITH PRINT SHOP: EXTENSIVE FIRE DAMAGE

JUNIPER COTTAGE: EXTENSIVE FLOOD DAMAGE (15)

(15)

(2)

EXISTING PARKING ON SITE: STANDARD 97 ACCESSIBLE 3 TOTAL 100 (8)

LEGEND

(10)

H.C. (3) H.C.

(5)

H.C. (4)

(4)

SITE ANALYSIS - EXISTING CONDITIONS AND SITE FEATURES

(10)

HUB BOULDER - ARAPAHOE | 2130 ARAPAHOE AVE. | SITE PLAN REVIEW 07.29.2026

SITE ANALYSIS - EXISTING CONDITIONS AND SITE FEATURES

A 0.12

2505 Walnut Street | Suite 200 | Boulder, CO 80302 | 303.442.4422 | www.sophersparn.com

ARAPAHOE AVE.

LOOKING WEST ON ARAPAHOE AVE.

LOOKING EAST ON ARAPAHOE AVE.

LOOKING NORTH ON MARINE ST. ALONG ALLEY

LOOKING NORTH IN SOUTH PARKING LOT TOWARDS LINCOLN HALL

MARINE ST.

LOOKING SOUTH ON MARINE ST. TOWARDS CU CAMPUS

LOOKING NORTH ON MULTI-USE PATH TOWARDS ARAPAHOE AVE.

EXISTING STREET VIEWS WITH PROPOSED BUILDING OVERLAY

LOOKING NORTH ON ARAPAHOE AVE. TOWARDS 22ND ST.

NOT TO SCALE

LOOKING EAST ON ARAPAHOE AVE. FROM NW CORNER OF PROPERTY HUB BOULDER - ARAPAHOE | 2130 ARAPAHOE AVE. | SITE PLAN REVIEW 07.29.2026

EXISTING CONDITIONS STREET VIEWS

A 0.13

2505 Walnut Street | Suite 200 | Boulder, CO 80302 | 303.442.4422 | www.sophersparn.com

RH-2 ZONING DISTRICT RESIDENTIAL-HIGH 2 SOLAR ACCESS AREA II 25' SOLAR FENCE

RMX-1 ZONING DISTRICT RESIDENTIAL-MIXED 1 SOLAR ACCESS AREA II 25' SOLAR FENCE

1 53

ARAPAHOE AVE.

5312'

5312.19'

5311.17'

DISTANCE TO XX' SOLAR FENCE/PROPERTY LINE ADJUSTED SHADOW LENGTH A XXXX.XX'

ROOF ELEMENT TAG USGS ELEVATION

5310.13'

.4'

' (L)

5361.69'

RELOCATED ARAPAHOE HOUSE

.9'

5313.22'

(L)

B 5338.07' ARAPAHOE FFE = 5315.59'

53 11 '

2.3

(L)

.6'

PROPERTY LINE

(L)

5311'

5338.07'

P ZONING DISTRICT PUBLIC SOLAR ACCESS AREA III NOT PROTECTED BY SOLAR FENCE

5310.44'

(L)

5313.14' 5313.41'

' 09 53

5312'

5312.33'

5357.09'

RH-5 ZONING DISTRICT 1' RESIDENTIAL-HIGH 5 531 SOLAR ACCESS AREA II 25' SOLAR FENCE

TOWNHOUSE BUILDING NEW (3) STORY STUDENT HOUSING TOWNHOUSES

TOWNHOUSE FFE = 5313.59'

LINCOLN HALL EXISTING (2) STORY HISTORIC SCHOOL HOUSE TO BE RENOVATED

CHESTNUT FFE = 5315.59'

(L)

RH-1 ZONING DISTRICT RESIDENTIAL-HIGH 2 SOLAR ACCESS AREA II 25' SOLAR FENCE

5363.57'

5309'

MAIN BUILDING NEW (4) STORY STUDENT HOUSING BUILDING

RELOCATED CHESTNUT HOUSE

C 5337.36'

0.6

5313.24'

CITY OF BOULDER SOLAR SHADING ANALYSIS LEGEND

.1'

MAIN BUILDING FFE = 5314.59'

53 11 '

PROPERTY LINE

5361.41'

5311.97'

53 09 '

MAIN BUILDING FFE = 5314.59'

(L) .8'

62 5361.42' F

530

5308'

5310 '

(L)

5311'

PARKING GARAGE FFE = 5310.24'

64 .8'

PROPERTY LINE

5361.42' G

531

MAIN BUILDING FFE = 5314.59'

PROPERTY LINE

SOLAR SHADING PLAN

30'

53 1 15'

PROPERTY LINE

MARINE ST. 5311'

7' 30

P ZONING DISTRICT PUBLIC 6' 0 SOLAR53ACCESS AREA III NOT PROTECTED BY SOLAR FENCE

60'

1" = 30'-0"

0.00 - SOLAR SHADING ANALYSIS TABLE ROOF ELEMENT A B C D E F G H I

PROPERTY ZONE DISTRICT RMX-1 RMX-1 RH-1 RH-2 RMX-1 RH-1 RH-1 RH-2 P

SOLAR FENCE HEIGHT 25 25 25 25 25 25 25 25 25

ELEVATION OF ROOF ELEMENT (y) 5338.1 5338.1 5337.4 5355.6 5361.4 5361.4 5361.4 5361.7 5363.6

ELEVATION OF GRADE AT PROPERTY LINE (x) 10AM 2PM 5312.2 5312.9 5312.7 5311.4 5312.2 5312.7 5312.0 5310.4 5310.1

RELATIVE HEIGHT OF ROOF ELEMENT (h) 10AM 2PM 25.9 25.2 24.7 44.2 49.2 48.7 49.5 51.3 53.4

LENGTH OF SHADOW (L) 10AM 2PM 2.3 0.6 -0.9 50.9 64.1 62.8 64.8 69.6 75.4

GENERAL CITY OF BOULDER SOLAR SHADING NOTES: 1. NEGATIVE SHADOW LENGTHS INDICATE ROOF ELEMENTS WHERE THE RELATIVE HEIGHT IS LESS THAN THE SOLAR FENCE HEIGHT . 2. AREAS NORTH OF NORTHERN MOST PROPERTY LINE ARE IN NON-BUILDABLE AREAS (R.O.W./STREET)

HUB BOULDER - ARAPAHOE | 2130 ARAPAHOE AVE. | SITE PLAN REVIEW 07.29.2026

SOLAR SHADING PLAN

A 0.14

2505 Walnut Street | Suite 200 | Boulder, CO 80302 | 303.442.4422 | www.sophersparn.com

PROPOSED ELEMENT "I" 5361.69'

OF SHADOW

6.26' HEIGHT OF SHADOW

NON-BUILDABLE AREA

ARAPAHOE AVE. (R.O.W) NON-BUILDABLE AREA 5310.13'

5310.44'

ELEMENT "H" SHADOW SECTION

3/32" = 1'-0"

ELEMENT "I" SHADOW SECTION 3/32" = 1'-0"

RMX-1 ZONING DISTRICT RESIDENTIAL-MIXED 1 SOLAR ACCESS AREA II 25' SOLAR FENCE

ESTIMATED PROPERTY LINE

RMX-1 ZONING DISTRICT RESIDENTIAL-MIXED 1 SOLAR ACCESS AREA II 25' SOLAR FENCE

ELEMENT HEIGHT

OF ADJUSTED SHADOW

53.44' RELATIVE

ESTIMATED PROPERTY LINE 51.25' RELATIVE

75.40' LENGTH

ARAPAHOE AVE. (R.O.W) 8.84' HEIGHT

SOLAR FENCE

25.00'

OF ADJUSTED SHADOW

5363.57'

ELEMENT "I" SHADOW

ELEMENT'S SHADOW HITS PROTECTED SOLAR FENCE AT HEIGHT OF 6.26'. SHADOW IS 18.74' BELOW MAXIMUM HEIGHT

ELEMENT HEIGHT

ELEMENT'S SHADOW HITS PROTECTED SOLAR FENCE AT HEIGHT OF 8.84'. SHADOW IS 16.16' BELOW MAXIMUM HEIGHT

69.60' LENGTH

SHADOW ANALYSIS LEGEND

P ZONING DISTRICT PUBLIC SOLAR ACCESS AREA III NOT PROTECTED BY SOLAR FENCE

SHADOW FROM 35' BUILDING AT SETBACKS SHADOW FROM PROPOSED BUILDING

SHADOW FROM 35' BUILDING AT SETBACKS

APPROX. FOOTPRINT OF NEIGHBORING BUILDINGS

*NOTE: SHADOWS CAST AT 10 A.M. ON DECEMBER 21ST

ARAPAHOE AVE. 5310.44'

5310.13'

PROPERTY LINE RELOCATED ARAPAHOE HOUSE

5361.69' H

RELOCATED CHESTNUT HOUSE

MAIN BUILDING NEW (4) STORY STUDENT HOUSING BUILDING

5363.57'

RH-5 ZONING DISTRICT RESIDENTIAL-HIGH 5 SOLAR ACCESS AREA II 25' SOLAR FENCE

PROPOSED ELEMENT "H"

TOWNHOUSE BUILDING NEW (3) STORY STUDENT HOUSING TOWNHOUSES

3 A 0.15

LINCOLN HALL EXISTING (2) STORY HISTORIC SCHOOL HOUSE TO BE RENOVATED

2 A 0.15

PROPERTY LINE

RH-1 ZONING DISTRICT RESIDENTIAL-HIGH 2 SOLAR ACCESS AREA II 25' SOLAR FENCE

PROPERTY LINE 531

PROPERTY LINE

ELEMENT "H" SHADOW

25.00' SOLAR FENCE

ESTIMATED PROPERTY LINE

PROPERTY LINE

PROPOSED ELEMENT "H"

PROPERTY LINE

MARINE ST. 1

SHADOW ANALYSIS 1" = 30'-0"

15'

30'

60'

HUB BOULDER - ARAPAHOE | 2130 ARAPAHOE AVE. | SITE PLAN REVIEW 07.29.2026

SITE SHADOW ANALYSIS

A 0.15

2505 Walnut Street | Suite 200 | Boulder, CO 80302 | 303.442.4422 | www.sophersparn.com

1 - EXISTING CONDITIONS The existing site includes approximately 16 buildings organized haphazardly around the Landmarked Lincoln Hall at the center of the site. The buildings are interspersed by green spaces and contain three sycamore trees and one oak tree that are identified as Colorado “Champion” trees. These trees will remain and be protected throughout the construction process.

2 - MASSING The new apartment buildings are arranged in a U-shaped configuration that frames Lincoln Hall and preserves the central courtyard, allowing this open space to serve as a landscaped, multifunctional gathering area that reinforces the campus character and preserves the site's Champion Trees. Two 4-story tower elements subtly echo Lincoln Hall’s bell tower creating a dialogue with the historic structure.

3 - ARTICULATION & MATERIALITY The new building designs are intended to thoughtfully blend old and new, using brick cladding on the lower levels to create a visual connection with the historic core, while siding on the upper floors introduces a modern contrast. Recessed entryways and slight setbacks add depth, texture, and a human scale to the overall massing, ensuring the buildings feel approachable and wellintegrated into their surrounding context.

HUB BOULDER - ARAPAHOE | 2130 ARAPAHOE AVE. | SITE PLAN REVIEW 07.29.2026

MASSING DEVELOPMENT

A 0.16

2505 Walnut Street | Suite 200 | Boulder, CO 80302 | 303.442.4422 | www.sophersparn.com

2106 ARAPAHOE AVE. F.A.R. SUMMARY

LVL 2 ARAPAHOE HOUSE 736 SF

SITE AREA = 161,909 SF | PROPOSED ZONING = RH-5 | F.A.R. OF 1.50 ALLOWABLE BUILDING AREA @ 1.50 F.A.R. = 242,863 SF PROPOSED BUILDING AREA = 221,982 SF (F.A.R. 1.37)

LVL 4 TH 1,042 SF LVL 2 LINCOLN HALL 3,419 SF

LVL 2 TH 5,602 SF

CITY OF BOULDER - AREA SCHEDULE (FAR) NAME

ROOF DECK NOT PART OF FAR

LEVEL 1 LVL 1 WEST 24,363 SF LVL 1 TH 5,722 SF LVL 1 EAST 8,412 SF LVL 1 SOUTH 5,333 SF LVL 1 LINCOLN HALL 4,016 SF LVL 1 ARAPAHOE HOUSE 1,174 SF LEVEL 1 CHESTNUT HOUSE 582 SF LEVEL 2 LVL 2 53,687 SF LVL 2 LINCOLN HALL 3,419 SF LVL 2 TH 5,602 SF LVL 2 ARAPAHOE HOUSE 736 SF LVL 2 CHESTNUT HOUSE 488 SF LEVEL 3 LVL 3 54,248 SF LVL 3 TH 4,875 SF LEVEL 4 LVL 4 48,282 SF LVL 4 TH 1,042 SF 221,982 SF

LVL 2 CHESTNUT HOUSE 488 SF

LVL 4 48,282 SF

AREA

LVL 2 53,687 SF

LEVEL 4 AREA PLAN

1/32" = 1'-0"

LEVEL 2 AREA PLAN 1/32" = 1'-0"

LVL 1 ARAPAHOE HOUSE 1,174 SF LVL 3 TH 4,875 SF

LVL 1 LINCOLN HALL 4,016 SF

LVL 1 TH 5,722 SF

LEVEL 1 CHESTNUT HOUSE 582 SF

LVL 1 EAST 8,412 SF

LVL 1 WEST 24,363 SF

LVL 3 54,248 SF COVERED BICYCLE AND VEHICULAR PARKING NOT PART OF FAR

LVL 1 SOUTH 5,333 SF

LEVEL 3 AREA PLAN 1/32" = 1'-0"

GROUND LEVEL AREA PLAN 1/32" = 1'-0" 0

24'

48'

96'

HUB BOULDER - ARAPAHOE | 2130 ARAPAHOE AVE. | SITE PLAN REVIEW 07.29.2026

CITY OF BOULDER AREA PLAN

A 0.20

2505 Walnut Street | Suite 200 | Boulder, CO 80302 | 303.442.4422 | www.sophersparn.com

TOTAL UNIT & BED COUNTS BY BUILDING UNIT COUNT

UNIT TYPE

PROPOSED DITCH ACCESS ESMT.

A 2.05

EXISTING CURB CUT FOR MULTI-USE PATH

PROPOSED STORMWATER ESMT.

A 2.00

PROPOSED STORMWATER ESMT.

A 2.00

' 10 53 A 2.00

5312'

ARAPAHOE AVE.

NEW CROSSWALK & PUSH BUTTON, RE: CIVIL

(E) LINCOLN HALL 2BR/1BA FLAT 5BR/4BA FLAT

5312' PROPOSED RELOCATED B-CYCLE STATION 5311'

EXISTING BUS STOP & RELOCATED SHELTER

PROPERTY LINE EXISTING DITCH

' 10

LA A 2.05

LINCOLN HALL (BUILDING 1) EXISTING (2) STORY HISTORIC SCHOOL HOUSE TO BE RENOVATED

(6)

TOWNHOUSE FFE = 5313.59'

PROPOSED DITCH ACCESS ESMT.

DETENTION POND

1 (14)

CENTRAL AMENITY COURTYARD

A 2.04 1

MAIN BUILDING FFE = 5314.59'

(8)

(2)

PROPERTY LINE

EXISTING MULTI-USE PATH

(14)

(12)

53 09

RAIN GARDEN

11 '

SHARED PRIVATE ACCESS53 WALK

PROPOSED LIME GROVE

53 1

(1)

H.C. VAN

H.C.

(1) EVCL

(1) EVR (1) EVSE

(13 C)

(2) WALL MOUNTED EVSE CHARGERS

(1) EVSE

(3) EVR

(3) EVC

(9)

(3) EVC

5310

1 A 1.02

(2) EVR (2) EVR

(1) EVR (1) EVR

(2) EVC (2) EVC

(3) EVC (3) EVC

(2) EVC (2) EVC

(1) EVCL (1) EVCL

(2) EVCL (2) EVCL

(23)

WALL MOUNTED DUAL EVSE CHARGER

(2)

(3) EVC (3) EVC

(3) EVCL (3) EVCL

(1) EVCL (1) EVCL

530

(3) EVCL (2) EVCL

A 2.03

RAIN GARDEN

TRASH ROOM FFE = 5311.09'

ELEC. ROOM FFE = 5314.59'

RAIN GARDEN

85 12

2 20 120

4 80 519

135

585

BUILDING 2 LEVEL 1 LEVEL 2 LEVEL 3 LEVEL 4

BUILDING 3 LEVEL 1 LEVEL 2 LEVEL 3 LEVEL 4

ARCHITECTURAL SITE PLAN

PROPOSED FIRE ACCESS LANE

224,374 SF

*LINCOLN HALL BASEMENT TO BE BACK-FILLED TO ADDRESS FLOOD PLAIN REGULATIONS

REQUIRED

PROVIDED

RESIDENTIAL: (2) / UNIT @ 135 UNITS

= 270 SPOTS

290

OFFICE: (1) / 1,500 SF @ 1400 SF (4 MINIMUM)

= 4 SPOTS

TOTAL:

274 SPOTS

294 SPOTS

SHORT-TERM - 25%

= 68.5 SPOTS

LONG-TERM - 75% ELEVATED SPOTS (25% MAX)

= 205.5 SPOTS = 51 SPOTS (MAX)

210 50

= 14 SPOTS

EXISTING 17' ACCESS ESMT.

PROVIDED

CITY COMPLIANT STANDARD TYPICAL ADA

49 36 33 3

COMPACT

NOT CITY COMPLIANT TANDEM

29 29

TOTAL

78*

TYPE OF STALL

% OF TOTAL PARKING

REQUIRED

PROVIDED

EVSE: EVR: EVC: EVCL:

5% 15% 40% 40%

4 12 31 31

PER CITY OF BOULDER ELECTRICAL CODE SECTION 10-6-4 (a) & (b) REQUIREMENTS & COBECC SECTION 405.11, TABLE C405.11, THIS PROJECT PROVIDES THE FOLLOWING EV READY, CAPABLE, AND EVSE INSTALLED PARKING FOR 78 PARKING SPACES: REFER TO ELECTRICAL DRAWINGS FOR LOCATIONS AND SPECS - ELECTRIC VEHICLE SUPPLY EQUIPMENT (EVSE) AN ELECTRIC VEHICLE CHARGING SYSTEM OR DEVICE THAT IS USED TO PROVIDE ELECTRICITY TO A PLUG-IN ELECTRIC OR HYBRID ELECTRIC VEHICLE. - ELECTRIC VEHICLE READY SPACE (EVR) A DESIGNATED VEHICLE PARKING SPACE THAT HAS THE ELECTRIC PANEL CAPACITY, RACEWAY WIRING, RECEPTACLE, AND CIRCUIT OVERPROTECTION DEVICE INSTALLED TO SUPPORT FUTURE IMPLEMENTATION OF EV CHARGING. - ELECTRIC VEHICLE CAPABLE SPACE (EVC) A DESIGNATED VEHICLE PARKING SPACE THAT HAS THE ELECTRIC PANEL CAPACITY AND CONDUIT AND/OR RACEWAY INSTALLED TO SUPPORT FUTURE IMPLEMENTATION OF EV CHARGING. - ELECTRIC VEHICLE CAPABLE LIGHT SPACE (EVCL) A DESIGNATED VEHICLE PARKING SPACE THAT HAS CONDUIT AND/OR RACEWAY INSTALLED TO SUPPORT FUTURE IMPLEMENTATION OF ELECTRIC VEHICLE CHARGING INSTALLATION AND HAS SUFFICIENT PHYSICAL SPACE ADJACENT TO THE EXISTING ELECTRICAL EQUIPMENT FOR FUTURE ELECTRIC UPGRADES.

RAIN GARDEN

EXISTING CONTOURS

PROPERTY LINE

53 08 '

53 10 '

5,676 SF 5,676 SF 5,431 SF 1,284 SF 18,067 SF

TOTAL GROSS FLOOR AREA

BUILDING FOORPRINT

EASEMENT

PROPOSED VACATION OF PUBLIC RIGHT-OF-WAY.

37,899 SF 54,899 SF 54,736 SF 49,364 SF 196,899 SF

SITE LEGEND

-0

PROPOSED 23.4' ACCESS / UTILITY ESMT.

3,699 SF 3,315 SF 7,013 SF

MAIN BUILDING FFE = 5314.59'

EXISTING 25' SANITARY SEWER ESMT.

543 SF 543 SF

MECH. ROOM FFE = 5314.59'

PARKING ENTRY

' 25

1,108 SF 744 SF 1,852 SF

BIKE PARKING

TOTAL:

MARINE ST.

(E) ARAPAHOE HOUSE LEVEL 1 LEVEL 2

(E) LINCOLN HALL L-1 LINCOLN HALL L-2 LINCOLN HALL

PROPERTY LINE

3/64" = 1'-0"

17 2

ELECTRICAL VEHICLE REQUIREMENTS

5309.30'

TRASH STAGING

95 20

*13.3% OF TOTAL BEDS

BIKE WORK BIKE ENTRY

5312'

PROPERTY LINE PROPOSED PUBLIC ACCESS ESMT.

(20)

A 2.03

(3) EVCL (3) EVCL

DOG RUN

19 4

VEHICLE PARKING SUMMARY

EXISTING 14' PEDESTRIAN ESMT.

6.25%

5311'

(2) EVR

(2)

(1) EVSE (1) EVSE (1) EVCL

(1) EVC (1) EVCL (1) EVC (1) EVCL

TURN AROUND

(1)

6.25%

RAIN GARDEN

(10)

10 72 16 80 20 25

TYPE OF SPACE

COVERED PARKING FFE = 5311.09'

PROPOSED STORMWATER ESMT.

5 18 4 20 4 5

GROSS FLOOR AREA

(E) CHESTNUT HOUSE LEVEL 1

ELECTRIC OUTLET SUITABLE SPOTS (3' X 10') - 5%

(2)

PROPOSED EMERGENCY AND MAINTENANCE ACCESS ESMT.

8 10 18

BUILDING & LEVEL

BIKE PARKING CALCULATIONS

MAIN BUILDING FFE = 5314.59'

EXISTING RETAINING WALL

4 2 6

A 2.05

LINCOLN HALL FFE = 5315.58'

A 2.05

BUILDING 3 5BR/5BA TOWNHOUSE 6BR/6BA TOWNHOUSE OVERALL SITE UNIT & BED TOTALS

5309'

TOWNHOUSE BUILDING (BUILDING 3) NEW (3) STORY STUDENT HOUSING TOWNHOUSES

RAIN GARDEN

1/2" / 12"

PROPOSED STORMWATER ESMT.

RAIN GARDEN

531

MAIN BUILDING (BUILDING 2) NEW (4) STORY STUDENT HOUSING BUILDING

UN BO RK ND

(8)

RAIN GARDEN

(14)

'25

10 53

-1

TO RH A 2.01

LOW POINT = 5308.65

PROPOSED LANDMARK BOUNDARY

53 11 '

ENCE A 2.01

DETENTION POND

CHESTNUT FFE = 5315.59'

PROPOSED STORMWATER ESMT.

RAIN GARDEN

LAR F

25' SO RELOCATED CHESTNUT HOUSE

RAIN GARDEN

RELOCATED ARAPAHOE HOUSE

TOWNHOUSE BLDG.

BUILDING 2 2BR/2BA FLAT 4BR/2BA FLAT 4BR/3BA FLAT 4BR/4BA FLAT 5BR/3BA FLAT 5BR/4BA TOWNHOUSE 5BR/4BA FLAT 5BR/5BA TOWNHOUSE 5BR/5BA FLAT 6BR/5BA TOWNHOUSE D.O. 2BR/1BA FLAT D.O. 4BR/2BA FLAT

BED COUNT

GROSS FLOOR AREA

PROPOSED STORMWATER ESMT. 2

1 A 2.02

MAIN BLDG. LOW POINT = 5306.50

6 30

A 2.02

SITE ELEMENT, RE: LANDSCAPE & CIVIL

5307'

WATER-QUALITY / DETENTION EXISTING DITCH

BUILDING ENTRANCES SITE ENTRANCES BIKE RACK

RETAINED CHAMPION TREES

EXISTING MULTI-USE PATH

16'

32'

64'

HUB BOULDER - ARAPAHOE | 2130 ARAPAHOE AVE. | SITE PLAN REVIEW 07.29.2026

SITE PLAN

A 1.00

2505 Walnut Street | Suite 200 | Boulder, CO 80302 | 303.442.4422 | www.sophersparn.com

EASEMENT AND SETBACK LEGEND PROPERTY LINE SETBACKS

24' - 10" FROM PROPERTY LINE

NEW CROSSWALK & PUSH BUTTON, RE: CIVIL PROPOSED ROW ENCROACHMENT

ARAPAHOE AVE.

BUILDING FOORPRINT

29' - 1 1/2" FROM PROPERTY LINE

SIDE

5' - 0" TBACK SE D R A Y

EXISTING BUS STOP & RELOCATED SHELTER

39' - 0 1/2" FROM PROPERTY LINE

1' - 8 1/2" FRONT YARD SETBACK

PROPERTY LINE

RAIN GARDEN

TOWNHOUSE BUILDING (BUILDING 3) NEW (3) STORY STUDENT HOUSING TOWNHOUSES

LINCOLN HALL (BUILDING 1) EXISTING (2) STORY HISTORIC SCHOOL HOUSE TO BE RENOVATED

PROPERTY LINE

EXISTING MULTI-USE PATH

RAIN GARDEN

CENTRAL AMENITY COURTYARD

DID NOT BRING IN: -TREES -IRRIGATION VALVES

RAIN GARDEN

PRIVATE ACCESS WALK

DETENTION POND

-1

TO RH

MAIN BUILDING (BUILDING #2) NEW (4) STORY STUDENT HOUSING BUILDING

RAIN GARDEN

DETENTION POND

ENCE

LAR F

25' SO RELOCATED CHESTNUT HOUSE

RAIN GARDEN

RELOCATED ARAPAHOE HOUSE

PROPOSED LANDMARK BOUNDARY

EXISTING DITCH

PARKING

SETBACK PLAN 3/64" = 1'-0"

10' - 0" REAR YARD SETBACK

MARINE ST.

BIKE ENTRY

61' - 11" FROM PROPERTY LINE

RAIN GARDEN

PARKING ENTRY

RAIN GARDEN

14' - 3" FROM PROPERTY LINE

PROPERTY LINE

PROPOSED FIRE ACCESS LANE

19' - 6" SIDE YARD SETBACK

EXISTING MULTI-USE PATH PROPOSED VACATION OF PUBLIC RIGHT-OF-WAY.

RAIN GARDEN

16'

32'

64'

HUB BOULDER - ARAPAHOE | 2130 ARAPAHOE AVE. | SITE PLAN REVIEW 07.29.2026

SETBACK PLAN

A 1.01

2505 Walnut Street | Suite 200 | Boulder, CO 80302 | 303.442.4422 | www.sophersparn.com

6' - 0"

1' - 0" CLR.

BIKE PARKING CALCULATIONS

6' - 0"

3' - 4"

6' - 0"

5' - 0" CLR.

9 U-RACKS = (18) BIKE PARKING SPOTS)

PROVIDED

RESIDENTIAL: (2) / UNIT @ 135 UNITS

= 270 SPOTS

290

OFFICE: (1) / 1,500 SF @ 1400 SF (4 MINIMUM)

= 4 SPOTS

TOTAL:

274 SPOTS

294 SPOTS

SHORT-TERM - 25%

= 68.5 SPOTS

LONG-TERM - 75% ELEVATED SPOTS (25% MAX)

= 205.5 SPOTS = 51 SPOTS (MAX)

210 50

= 14 SPOTS

6' - 0"

LONG-TERM BIKE PARKING SUMMARY

TYP.

5' - 0" CLR.

3' - 6"

6' - 6"

REQUIRED

ELECTRIC OUTLET SUITABLE SPOTS (3' X 10') - 5%

1' - 0" CLR.

5' - 0" CLR.

9 U-RACKS = (18) BIKE PARKING SPOTS)

(18)

BIKE PARKING

*FROM THE CALCULATIONS ABOVE THE REQUIRED NUMBER OF LONG-TERM BIKE PARKING SPOTS ARE 205.5 SPOTS. PROPOSED LONG-TERM BIKE PARKING SUMMARY:

22 U-RACKS = (44) BIKE PARKING SPOTS (18)

25 DERO-DECKER BIKE RACKS: TWO TIERED SYSTEM W/ SPRING ASSISTED LIFT (50 ROLL-IN BIKE PARKING SPOTS) (50 ELEVATED BIKE PARKING SPOTS)

(22)

STD. U-RACK BICYCLE SPOTS

DERO-DECKER TWO TIERED SYSTEM 50 ROLL-IN SPOTS 50 ELEVATED SPOTS

100

3'X10' ELECTRIC BICYCLE SPOTS

TOTAL LONG-TERM BICYCLE SPOTS

210

8 U-RACKS = (16) 3'X10' ELECTRIC BIKE PARKING SPOTS. ALL SPOTS TO INCLUDE AN ELECTRICAL OUTLET SUITABLE FOR CHARGING ELECTRIC BIKES, MOUNTED @ +/- 44" A.F.F. (+/-5314.75' USGS, ~2" ABOVE F.P.E. OF 5314.57')

71' - 2 1/2"

(50 ROLL-IN) (50 ELEVATED)

(16 LARGE - EV SPACES)

3' - 0"

10' - 0"

TO GRIP & OPERABLE PARTS

5' - 0" CLR.

DERO DECKER BIKE RACK - PRODUCT INFORMATION 6' - 0"

5311.09' 11" CLR.

11" CLR.

7 U-RACKS = (14) BIKE PARKING SPOTS

1' - 0" CLR.

BIKE WORK

MAIN BUILDING - BFE 5312' - 6 7/8"

PARKING 96' - 6"

EV-CHARGING ELEVATION DIAGRAM

1/2" = 1'-0"

01-GROUND LEVEL FLOOR PLAN - ENLARGED BIKE PARKING PLAN 3/16" = 1'-0"

SCALE: 1/2" = 1'-0" 0'

SCALE: 3/16" = 1'-0" 0'

12'

21'-4"

PARKING ENTRY

BIKE ENTRY

2' - 0"

MAIN BUILDING - FPE 5314' 6 7/8"

1' - 6"

4' - 0" MAX.

1" MIN. ABOVE F.P.E.

EV CHARGER, MAKE AND MODEL TBD

10' - 0"

TYP.

3' - 6"

3' - 0"

6' - 0" TYP.

(14)

HUB BOULDER - ARAPAHOE | 2130 ARAPAHOE AVE. | SITE PLAN REVIEW 07.29.2026

ENLARGED PARKING PLANS & INFORMATION

A 1.02

2505 Walnut Street | Suite 200 | Boulder, CO 80302 | 303.442.4422 | www.sophersparn.com

BUILDING AREA LEGEND RESIDENTIAL UNITS 3 A 3.01

4 A 3.00

A 2.00

2 A 3.01

A 2.00

A 2.05

1 A 3.01

COMMON AREA BACK OF HOUSE BUILDING ENTRANCES

RELOCATED ARAPAHOE HOUSE RETAINED CHAMPION TREES

PROPERTY LINE

FFE = 5315.59'

UNIT & BED COUNTS - LEVEL 1

ARAPAHOE OPERATIONS 1,108 SF

UNIT TYPE B.O.H. /WATER-ENTRY (8) 48 SF FITNESS 2,988 SF

(14)

6BR/6BA TOWNHOUSE 634 SF

BUILDING 2 LEVEL 1 LEVEL 1

TOWNHOUSE FFE = 5313.59' 4

3 A 3.00

ELEV. 123 SF

PACKAGE 240 SF ANNEX 1,527 SF

2BR/1BA FLAT 621 SF

ELEV. 123 SF

2 A 3.00

(14)

(12)

CENTRAL AMENITY COURTYARD

A 2.04

TOWNHOUSE UNIT, TRASH ENCLOSURE

OFFICE & SUPPORT 1,400 SF D.O. 4BR/2BA DW FLAT 1,006 SF

D.O. 4BR/2BA DW FLAT 1,006 SF

8 8 8

4BR/4BA FLAT 5BR/4BA TOWNHOUSE 5BR/4BA FLAT 5BR/5BA TOWNHOUSE 6BR/5BA TOWNHOUSE D.O. 4BR/2BA FLAT

1 5

4 25

4 4

20 20

21 21

101 101

9 9 34

48 48 157

MAIN BUILDING FFE = 5314.59'

OVERALL SITE UNIT & BED TOTALS

5BR/5BA TOWNHOUSE 960 SF

STAIR 200 SF

5309.30'

D.O. 4BR/2BA DW FLAT 1,006 SF

5BR/5BA TOWNHOUSE 6BR/6BA TOWNHOUSE

(2) D.O. 4BR/2BA DW FLAT 1,006 SF

5BR/4BA TOWNHOUSE 989 SF DW

4BR/4BA FLAT 1,390 SF

5BR/4BA FLAT 1,500 SF

4 4 4

LEVEL 1

MAIL 200 SF

(14)

LEVEL 1

1 A 2.05

W/D (8)

LEVEL 1

BUILDING 3 LEVEL 1

2BR/1BA FLAT 621 SF

MAIN BUILDING FFE = 5314.59'

LEVEL 1 LEVEL 1

2BR/1BA FLAT

LEVEL 1

VESTIBULE 110 SF

6BR/6BA TOWNHOUSE 635 SF

2BR/1BA FLAT 709 SF

3 A 3.00

A 2.05

LOBBY 1,047 SF LINCOLN HALL FFE = 5315.58'

STAIR 213 SF

LOBBY & COMMONS 929 SF

5BR/5BA TOWNHOUSE 627 SF

(6)

2BR/1BA FLAT 702 SF

5BR/5BA TOWNHOUSE 627 SF DW

A 2.05

5BR/5BA TOWNHOUSE 635 SF

B.O.H. /WATER-ENTRY 100 SF

SPA 741 SF

2 A 3.00

A 2.01

6BR/6BA TOWNHOUSE 627 SF

ANNEX 1,890 SF

FFE = 5315.59'

A 2.01

5BR/5BA TOWNHOUSE 628 SF

BED COUNT

PROPERTY LINE

CHESTNUT OPERATIONS 543 SF

5BR/5BA TOWNHOUSE 628 SF

RELOCATED CHESTNUT HOUSE

5BR/5BA TOWNHOUSE 635 SF

(E) LINCOLN HALL L-1 LINCOLN HALL L-1 LINCOLN HALL

UNIT COUNT

A 2.03

(2) DW

W/D

(1)

(13 C)

H.C. VAN

H.C.

5BR/4BA FLAT 1,500 SF

COVERED PARKING 28,490 SF

COVERED PARKING FFE = 5311.09'

5BR/5BA TOWNHOUSE 951 SF DW

1 A 1.02

(9)

TURN AROUND

W/D

(1)

5BR/5BA TOWNHOUSE 951 SF DW

5BR/4BA FLAT 1,500 SF

6.25%

(10)

(2)

W/D

DOG RUN

STAIR 172 SF

B.O.H. / TRASH 1,136 SF

BIKE ENTRY

B.O.H. /ELECTRICAL 803 SF

BIKE WORK

ELEC. ROOM FFE = 5314.59'

PARKING ENTRY

(20)

B.O.H. 5BR/4BA /MECHANICAL TOWNHOUSE 654 SF 835 SF MAIN BUILDING FFE = 5314.59'

TRASH STAGING

6BR/5BA TOWNHOUSE 1,163 SF

BALCONY

5BR/4BA TOWNHOUSE 848 SF

BALCONY

PROPERTY LINE

5309.30'

5BR/4BA TOWNHOUSE 848 SF

5BR/5BA TOWNHOUSE 968 SF

BALCONY

PROPERTY LINE

3 A 3.01

1 A 3.00

DW DW

5BR/4BA FLAT 1,500 SF

5BR/4BA TOWNHOUSE 944 SF

PROPERTY LINE

STORAGE/ SHOP 551 SF

1 A 3.00

6.25%

(23)

(2)

A 2.02

EXISTING MULTI-USE PATH

1 A 3.01 4 A 3.00

01-GROUND LEVEL FLOOR PLAN - OVERALL 1" = 20'-0"

10'

20'

40'

80'

2 A 3.01

HUB BOULDER - ARAPAHOE | 2130 ARAPAHOE AVE. | SITE PLAN REVIEW 07.29.2026

LEVEL 1 PLAN

A 1.11

2505 Walnut Street | Suite 200 | Boulder, CO 80302 | 303.442.4422 | www.sophersparn.com

BUILDING AREA LEGEND RESIDENTIAL UNITS

3 A 3.01

A 2.00

4 A 3.00

RELOCATED ARAPAHOE HOUSE

A 2.00

A 2.05

2 A 3.01

COMMON AREA BACK OF HOUSE

1 A 3.01

BUILDING ENTRANCES

PROPERTY LINE

RETAINED CHAMPION TREES

ARAPAHOE OPERATIONS 744 SF

UNIT & BED COUNTS - LEVEL 2 LEVEL

ROOF BELOW

RELOCATED CHESTNUT HOUSE

5BR/5BA TOWNHOUSE 635 SF

5BR/3BA FLAT 1,557 SF

5BR/5BA TOWNHOUSE 628 SF

6BR/6BA TOWNHOUSE 627 SF

5BR/4BA FLAT 1,628 SF 4 ROOF BELOW

W/D A 2.05

5BR/4BA FLAT 1,591 SF

5BR/4BA FLAT 1,571 SF

5BR/5BA TOWNHOUSE 635 SF

5BR/5BA TOWNHOUSE 627 SF

6BR/6BA TOWNHOUSE 635 SF

A 2.05

2 A 3.00

5BR/4BA FLAT 1,500 SF

W/D 2 A 3.00

(E) LINCOLN HALL L-2 LINCOLN HALL L-2 LINCOLN HALL

6BR/6BA TOWNHOUSE 634 SF

ROOF BELOW

4BR/2BA FLAT 1,199 SF

A 2.04

4BR/3BA FLAT 1,258 SF

5BR/4BA FLAT 1,500 SF

PLANTERS, RE: LANDSCAPE

ROOF

ROOF PLANTERS, RE: LANDSCAPE

DECK

5BR/5BA FLAT 1,620 SF

DECK

5BR/5BA FLAT 1,620 SF

DECK

5BR/5BA FLAT 1,620 SF

123 123 133

D.O. 4BR/2BA DW FLAT 1,006 SF

5BR/5BA FLAT 1,620 SF

D.O. 4BR/2BA DW FLAT 1,006 SF

4BR/4BA FLAT 1,424 SF

A 2.03

B.O.H. 98 SF

5BR/4BA FLAT 1,500 SF

27 27 29

5BR/5BA TOWNHOUSE 951 SF

W/D

DECK

B.O.H. 94 SF

4BR/4BA FLAT W/D1,396 SF

DECK

5BR/4BA FLAT 1,500 SF

W/D

5BR/5BA TOWNHOUSE 948 SF

STAIR 200 SF

ROOF

W/D

2 8 4 12 10 30 45 12

PROPERTY LINE

5BR/4BA TOWNHOUSE 968 SF

A 2.01

1 2 1 3 2 6 9 3

A 2.05

W/D A 2.01

2BR/2BA FLAT 4BR/2BA FLAT 4BR/3BA FLAT 4BR/4BA FLAT 5BR/3BA FLAT 5BR/4BA FLAT 5BR/5BA FLAT D.O. 4BR/2BA FLAT

5BR/3BA FLAT 1,500 SF

W/D

10 10 10

ELEV. 123 SF

CORR. 153 SF

24' - 0"

ELEV. 123 SF

2 2 2

OVERALL SITE UNIT & BED TOTALS 3 A 3.00

BED COUNT

5BR/4BA FLAT

LEVEL 2

STAIR 213 SF 3 A 3.00

BUILDING 2 LEVEL 2 LEVEL 2 LEVEL 2 LEVEL 2 LEVEL 2 LEVEL 2 LEVEL 2 LEVEL 2

UNIT COUNT

UNIT TYPE

5BR/5BA TOWNHOUSE 951 SF

5BR/5BA FLAT 1,576 SF

W/D

5BR/5BA FLAT 1,576 SF

W/D

5BR/5BA FLAT 1,576 SF

W/D

D.O. 4BR/2BA FLAT 1,006 SF

W/D

5BR/5BA FLAT 1,576 SF

W/D

4BR/4BA FLAT 1,345 SF

DECK

1 A 3.00

DECK

ROOF

5BR/4BA TOWNHOUSE 880 SF

1 A 3.00

ROOF W/D

TRASH 108 SF

5BR/4BA TOWNHOUSE 983 SF

2BR/2BA FLAT 818 SF W/D

4BR/2BA FLAT 1,221 SF

6BR/5BA TOWNHOUSE 983 SF

6BR/5BA TOWNHOUSE 984 SF

5BR/4BA TOWNHOUSE 983 SF

5BR/4BA TOWNHOUSE 981 SF

5BR/5BA TOWNHOUSE 1,118 SF

PLANTERS, RE: LANDSCAPE

PROPERTY LINE

A 2.02

3 A 3.01

DECK

ROOF

PLANTERS, RE: LANDSCAPE

5BR/4BA FLAT 1,500 SF

PROPERTY LINE

DECK

02-SECOND LEVEL FLOOR PLAN - OVERALL

1 A 3.01 4 A 3.00

2 A 3.01

HUB BOULDER - ARAPAHOE | 2130 ARAPAHOE AVE. | SITE PLAN REVIEW 07.29.2026

1" = 20'-0"

10'

20'

40'

80'

LEVEL 2 PLAN

A 1.12

2505 Walnut Street | Suite 200 | Boulder, CO 80302 | 303.442.4422 | www.sophersparn.com

BUILDING AREA LEGEND RESIDENTIAL UNITS

3 A 3.01

A 2.00

A 2.05

COMMON AREA

BACK OF HOUSE

4 A 3.00

RELOCATED ARAPAHOE HOUSE

2 A 3.01

1 A 3.01

BUILDING ENTRANCES

PROPERTY LINE

RETAINED CHAMPION TREES

UNIT & BED COUNTS - LEVEL 3 LEVEL

UNIT COUNT

UNIT TYPE

BED COUNT

RELOCATED CHESTNUT HOUSE

5BR/5BA TOWNHOUSE 600 SF

4BR/3BA FLAT 1,424 SF

5BR/3BA FLAT 1,557 SF

5BR/5BA TOWNHOUSE 593 SF

6BR/6BA TOWNHOUSE 627 SF

6BR/6BA TOWNHOUSE 634 SF

W/D W/D POOL EQUIPMENT ROOM 199 SF

5BR/4BA FLAT 1,500 SF

2 A 3.00

A 2.05

STAIR 213 SF

3 A 3.00

5BR/5BA TOWNHOUSE 600 SF

5BR/5BA TOWNHOUSE 593 SF

LEVEL 3 2 A 3.00

LEVEL 3

2 8 2 8 2 5 4 1

4 32 8 32 10 25 20 2

38 38 38

157 157 157

ELEV. 123 SF

A 2.05 DW

6BR/6BA TOWNHOUSE 599 SF

2BR/2BA FLAT 4BR/2BA FLAT 4BR/3BA FLAT 4BR/4BA FLAT 5BR/3BA FLAT 5BR/4BA FLAT 5BR/5BA FLAT D.O. 2BR/1BA FLAT D.O. 4BR/2BA FLAT

OVERALL SITE UNIT & BED TOTALS

3 A 3.00 ELEV. 123 SF

5BR/5BA TOWNHOUSE 593 SF

A 2.05

BUILDING 2 LEVEL 3 LEVEL 3 LEVEL 3 LEVEL 3 LEVEL 3 LEVEL 3 LEVEL 3 LEVEL 3

2BR/2BA FLAT 970 SF

W/D 1 5BR/4BA FLAT 1,500 SF 2

A 2.04

4BR/3BA FLAT 1,254 SF

A 2.01

4BR/2BA FLAT 1,199 SF DW

A 2.01

W/D

D.O. 4BR/2BA FLAT 1,006 SF

PROPERTY LINE

5BR/3BA FLAT 1,500 SF

ROOF BELOW

STAIR 200 SF

ROOF BELOW

A 2.03

ROOF BELOW DW

5BR/5BA FLAT 1,620 SF

W/D 4BR/4BA FLAT 1,424 SF

5BR/4BA FLAT 1,500 SF

B.O.H. 98 SF

B.O.H. 94 SF

5BR/5BA FLAT 1,620 SF

W/D

4BR/4BA FLAT 1,396 SF W/D

D.O. 4BR/2BA DW FLAT 1,006 SF

W/D

D.O. 4BR/2BA DW FLAT 1,006 SF

D.O. 4BR/2BA FLAT 1,006 SF DW

5BR/4BA FLAT 1,500 SF

D.O. 4BR/2BA FLAT 1,006 SF

4BR/4BA FLAT 1,345 SF

BALCONY

4BR/2BA FLAT 1,221 SF

4BR/2BA FLAT 1,155 SF

4BR/2BA FLAT 1,283 SF

ROOF BELOW

STAIR 172 SF

4BR/2BA FLAT 1,155 SF

4BR/2BA FLAT 1,153 SF

2BR/2BA FLAT 818 SF W/D

4BR/2BA FLAT 1,155 SF

4BR/2BA FLAT 1,153 SF

TRASH 108 SF

1 A 3.00

PROPERTY LINE

ROOF BELOW

ROOF BELOW W/D

D.O. 2BR/1BA FLAT 690 SF DW

5BR/4BA FLAT 1,500 SF

4BR/4BA FLAT 1,345 SF

BALCONY

1 A 3.00

W/D

4BR/4BA FLAT 1,345 SF

W/D

4BR/4BA FLAT 1,345 SF

D.O. 4BR/2BA FLAT 1,006 SF DW

W/D

4BR/4BA FLAT 1,345 SF

BALCONY BALCONY

BALCONY

PROPERTY LINE

A 2.02

3 A 3.01

03-THIRD LEVEL FLOOR PLAN - OVERALL

1 A 3.01 4 A 3.00

2 A 3.01

HUB BOULDER - ARAPAHOE | 2130 ARAPAHOE AVE. | SITE PLAN REVIEW 07.29.2026

1" = 20'-0"

10'

20'

40'

80'

LEVEL 3 PLAN

A 1.13

2505 Walnut Street | Suite 200 | Boulder, CO 80302 | 303.442.4422 | www.sophersparn.com

BUILDING AREA LEGEND RESIDENTIAL UNITS

3 A 3.01

A 2.00

A 2.05

COMMON AREA

BACK OF HOUSE

4 A 3.00

2 A 3.01

1 A 3.01

BUILDING ENTRANCES

PROPERTY LINE

RETAINED CHAMPION TREES

UNIT & BED COUNTS - LEVEL 4 ROOF DECK

LEVEL

ROOF DECK

PROPOSED TRELLIS OVERHEAD

HOT TUB 170 SF

POOL 490 SF

6BR/6BA TOWNHOUSE 424 SF

A 2.05

LEVEL 4 2 A 3.00

ROOF DECK

A 2.05

2BR/2BA FLAT 4BR/2BA FLAT 4BR/3BA FLAT 4BR/4BA FLAT 5BR/4BA FLAT 5BR/5BA FLAT D.O. 2BR/1BA FLAT D.O. 4BR/2BA FLAT

LEVEL 4 OVERALL SITE UNIT & BED TOTALS

BED COUNT

2 8 1 8 4 4 1

4 32 4 32 20 20 2

34 34 34

138 138 138

STAIR 213 SF

(6) 7" RISERS +42"

6BR/6BA TOWNHOUSE 432 SF

2 A 3.00

6BR/6BA TOWNHOUSE 427 SF

BUILDING 2 LEVEL 4 LEVEL 4 LEVEL 4 LEVEL 4 LEVEL 4 LEVEL 4 LEVEL 4

UNIT COUNT

UNIT TYPE

3 A 3.00

ELEV. 123 SF

A 2.05

TROPHY ROOM 962 SF

2BR/2BA FLAT 970 SF

A 2.01

5BR/4BA FLAT 1,484 SF

A 2.04

4BR/2BA FLAT 1,199 SF

4BR/3BA FLAT 1,254 SF

A 2.01

W/D

D.O. 4BR/2BA FLAT 1,006 SF

PROPERTY LINE

ELEV. 123 SF

STAIR 200 SF

5BR/5BA FLAT 1,620 SF

4BR/4BA FLAT W/D 1,396 SF

5BR/5BA FLAT 1,620 SF

D.O. 4BR/2BA FLAT 1,006 SF

W/D 4BR/4BA FLAT 1,424 SF B.O.H. 98 SF

DW DW

D.O. 4BR/2BA FLAT 1,006 SF

4BR/4BA FLAT 1,345 SF

W/D

4BR/4BA FLAT 1,345 SF

W/D

4BR/4BA FLAT 1,345 SF

W/D

D.O. 4BR/2BA FLAT 1,006 SF

W/D

4BR/4BA FLAT 1,345 SF

W/D

4BR/4BA FLAT 1,345 SF

W/D

A 2.03

5BR/4BA FLAT 1,484 SF

B.O.H. 94 SF

W/D

D.O. 4BR/2BA DW FLAT 1,006 SF

W/D

D.O. 4BR/2BA DW FLAT 1,006 SF

A 2.03

5BR/4BA FLAT 1,484 SF

BALCONY

4BR/2BA FLAT 1,155 SF

4BR/2BA FLAT 1,153 SF

4BR/2BA FLAT 1,155 SF

4BR/2BA FLAT 1,283 SF

4BR/2BA FLAT 1,221 SF DW

STAIR 172 SF

TRASH 108 SF

1 A 3.00

PROPERTY LINE

W/D

2BR/2BA FLAT 801 W/DSF

BALCONY

5BR/4BA FLAT 1,484 SF

1 A 3.00

D.O. 2BR/1BA FLAT 690 SF

BALCONY BALCONY

BALCONY

PROPERTY LINE

3 A 3.01

BALCONY

04-FOURTH LEVEL FLOOR PLAN - OVERALL

A 2.02

4 A 3.00

1 A 3.01 2 A 3.01

HUB BOULDER - ARAPAHOE | 2130 ARAPAHOE AVE. | SITE PLAN REVIEW 07.29.2026

1" = 20'-0"

10'

20'

40'

80'

LEVEL 4 PLAN

A 1.14

2505 Walnut Street | Suite 200 | Boulder, CO 80302 | 303.442.4422 | www.sophersparn.com

ROOF LEGEND

A 2.00

A 2.05

3 A 3.01

SLOPE ARROW, ARROW HEAD INDICATES DOWNWARD SLOPE SLOPED ROOFING

2 A 3.01

1 A 3.01

4 A 3.00

ROOF DECKS, BELOW

PROPERTY LINE SOLAR READY ZONE

21' - 2"

8" / 12"

MECHANICAL EQUIPMENT PADS, EXACT LOCATIONS & SIZES TBD

21' - 2"

8" / 12"

8" / 12" 8" / 12"

8" / 12"

MECHANICAL EQUIPMENT SCREEN, EXACT LOCATIONS TBD

A 2.05

2" / 12" 2" / 12"

2" / 12"

ROOF DECK BELOW

2" / 12"

2" / 12" 2" / 12"

4 2" / 12"

A 2.05

2" / 12"

2 A 3.00

3 A 3.00

21' - 2"

3 A 3.00

ELEVATOR OVERRUN

WH 1

A 2.01

ECC-2

2" / 12"

A 2.01

PROPERTY LINE

2" / 12"

A 2.05

A 2.04 1

2" / 12"

1" / 12"

2" / 12"

6" / 12"

ROOF HATCH

A 2.03

MECHANICAL EQUIPMENT SCREEN

PROPERTY LINE

6" / 12"

MECHANICAL EQUIPMENT PADS

1" / 12" 1" / 12"

PROPERTY LINE

A 2.02

3 A 3.01

05-ROOF PLAN

1" / 12"

2" / 12"

1" / 12"

4 A 3.00

1 A 3.01

2 A 3.01

HUB BOULDER - ARAPAHOE | 2130 ARAPAHOE AVE. | SITE PLAN REVIEW 07.29.2026

1" = 20'-0"

10'

20'

40'

80'

ROOF PLAN

A 1.15

2505 Walnut Street | Suite 200 | Boulder, CO 80302 | 303.442.4422 | www.sophersparn.com

13' - 7"

6' - 0"

STEP BACK (3')

FACADE 1 15' - 2"

FACADE 2 32' - 8 1/2"

FACADE 1 18' - 3"

FACADE 1 15' - 2"

FACADE 2 34' - 10"

FACADE LEGEND

STEP BACK (15 - '8") VERTICAL EXPRESSION

VERTICAL EXPRESSION

FACADE 1

FACADE 2

FACADE 3

107' - 5" TOWNHOUSES (BUILDING 3)

NORTH ELEVATION DIAGRAM - EAST

16'

32'

3/32" = 1'-0"

CHAMPION SYCAMORE TREE BEYOND

NORTH ELEVATION DIAGRAM - WEST 3/32" = 1'-0"

CHAMPION SYCAMORE TREE

1 A 3.01

2 A 3.01

4 A 3.00

3 A 3.01

ELEVATOR OVERRUN MTL-01

WN-02 FC-02

FC-02

FC-01

FC-02

FC-01 GL-01

MP-02 CC-02

MTL-03

BR-02 WN-01 ROOF LINCOLN HALL 124' - 10 3/8"

L-2 LINCOLN HALL 113' - 10 3/8"

LEVEL 2 111' - 4"

L-1 LINCOLN HALL 100' - 11 7/8"

EXISTING MULTIUSE PATH

LEVEL 1 100' - 0" BR-01

BR-01

MP-02

107' - 5"

35' - 0 1/2"

82' - 0"

TOWNHOUSES (BUILDING 3)

54' - 5 1/2"

1 A 3.01

MP-02 MTL-02

98' - 7"

LINCOLN HALL

42' - 8 1/2"

MAIN BUILDING (BUILDING 2)

2 A 3.01

4 A 3.00

42' - 1"

BLDG. LOW POINT 5306' - 6"

ARAPAHOE HOUSE 3 A 3.01

NORTH SITE ELEVATION 1/16" = 1'-0"

16'

32'

64'

2.00 - MATERIAL FINISH SCHEDULE - EXTERIOR MARK AL-01 AL-02 BR-01 BR-02 BR-03 CC-01 CC-02 FC-01 FC-02 FC-03 FC-04 GL-01 MP-01 MP-02 MTL-01 MTL-02 MTL-03 MTL-04 RM-01 RS-01 WN-01 WN-02

DESCRIPTION

FINISH

ALUMNIUM STOREFRONT ALUMINUM STOREFRONT BRICK BASE BRICK BRICK - ACCENT DETAILING EXPOSED CONCRETE CONCRETE CAP & SILL FIBER CEMENT - VERTICAL SIDING FIBER CEMENT PANEL FIBER CEMENT TRIM FIBER CEMENT TRIM GLASS PANEL RAILING METAL ROOF SCREEN PERFORATED METAL PANEL RAILING METAL PARAPET CAP POWDER COATED STEEL METAL WALL CAP METAL WALL CAP MEMBRANE ROOFING ASPHALT SHINGLE ROOFING EXTERIOR WINDOWS & DOORS EXTERIOR WINDOWS & DOORS

GRAY DARK GRAY DARK BROWN RED BLEND MATCH ADJACENT BRICK BOARDFORM TAN DARK GRAY LIGHT GRAY DARK GRAY GRAY CLEAR GRAY LIGHT GRAY DARK GRAY GRAY TAN GRAY LIGHT GRAY DARK GRAY LIGHT GRAY BLACK

ARAPAHOE HOUSE

MATERIAL PALETTE

BRICK | BR-02 RED BLEND

FIBER CEMENT SIDING | FC-02 PANEL - LIGHT GRAY

ACCENT MATERIALS

PRIMARY MATERIALS

LEVEL 3 121' - 8"

BR-02

TOWNHOUSE - L-1 99' - 0" TOWNHOUSE - BLDG. LOW PT. 5308' - 7 3/4"

LEVEL 4 132' - 0"

MAX. BUILDING HEIGHT

TOWNHOUSE - L-2 109' - 6"

FC-01

ROOF LEVEL 142' - 4"

54' - 11"

TOWNHOUSE - L-3 120' - 0"

54' - 11"

TOWNHOUSE - L-4 130' - 6"

MAX. BUILDING HEIGHT

TOWNHOUSE - ROOF 141' - 0"

BUILDING 3 CHESTNUT HOUSE

BRICK ACCENT | BR-03 RED BLEND ACCENT PATTERN

LINCOLN HALL

ACCENT METAL | MTL-02 GRAY

BUILDING 2

BRICK BASE | BR-01 DARK BROWN

FIBER CEMENT SIDING | FC-01 VERTICAL - DARK GRAY

ACCENT CAP & SILL | CC-02 TAN

PERFORATED RAILING | MP-02 DARK GRAY

KEY PLAN

HUB BOULDER - ARAPAHOE | 2130 ARAPAHOE AVE. | SITE PLAN REVIEW 07.29.2026

EXTERIOR NORTH ELEVATION

A 2.00

2505 Walnut Street | Suite 200 | Boulder, CO 80302 | 303.442.4422 | www.sophersparn.com

FACDE 1 46' - 9 1/2"

FACADE 2 24' - 11 1/2"

FACADE 1 48' - 1 1/2"

FACADE 2 23' - 10 1/2"

STEP BACK (36')

FACADE 1 48' - 1 1/2"

FACADE 2 23' - 10 1/2"

STEP BACK (36')

FACADE 1 48' - 1 1/2"

STEP BACK (36')

FACADE LEGEND

FACADE 1

FACADE 2

FACADE 3

MAIN ENTRY FACADE 3 23' - 7"

ENTRY FACADE 3 23' - 10 1/2"

279' - 7 1/2" MAIN BUILDING (BUILDING 2)

WEST ELEVATION DIAGRAM

16'

32'

3/32" = 1'-0"

CHAMPION SYCAMORE TREES BEYOND

2 A 3.00

3 A 3.00

1 A 3.00

GL-01

MP-01

CC-02

FC-03

ELEVATOR OVERRUN

BR-02 WN-01

FC-01

WN-02

WN-02 MTL-03

BR-03

ROOF LEVEL 142' - 4"

BR-02

AL-01

BR-01

15' - 8 1/2"

MTL-02 47' - 11"

BR-02

ENTRY 23' - 10 1/2"

WN-01

AL-01 48' - 1 1/2"

23' - 10 1/2"

48' - 1 1/2"

23' - 10 1/2"

BR-03

48' - 1 1/2" BR-01

1/16" = 1'-0"

16'

32'

64'

2.00 - MATERIAL FINISH SCHEDULE - EXTERIOR MARK AL-01 AL-02 BR-01 BR-02 BR-03 CC-01 CC-02 FC-01 FC-02 FC-03 FC-04 GL-01 MP-01 MP-02 MTL-01 MTL-02 MTL-03 MTL-04 RM-01 RS-01 WN-01 WN-02

LEVEL 3 121' - 8" LEVEL 2 111' - 4"

LEVEL 1 100' - 0" PARKING 96' - 6" BLDG. LOW POINT 5306' - 6"

1 A 3.00

DESCRIPTION

FINISH

GRAY DARK GRAY DARK BROWN RED BLEND MATCH ADJACENT BRICK BOARDFORM TAN DARK GRAY LIGHT GRAY DARK GRAY GRAY CLEAR GRAY LIGHT GRAY DARK GRAY GRAY TAN GRAY LIGHT GRAY DARK GRAY LIGHT GRAY BLACK

ARAPAHOE HOUSE

MATERIAL PALETTE

BRICK | BR-02 RED BLEND

FIBER CEMENT SIDING | FC-02 PANEL - LIGHT GRAY

ACCENT MATERIALS

WEST SITE ELEVATION

MAIN BUILDING (BUILDING 2)

3 A 3.00

PRIMARY MATERIALS

2 A 3.00

LEVEL 4 132' - 0"

MAX. BUILDING HEIGHT

MARINE ST.

ARAPAHOE AVE.

54' - 11"

WN-01

BUILDING 3 CHESTNUT HOUSE

BRICK ACCENT | BR-03 RED BLEND ACCENT PATTERN

LINCOLN HALL

ACCENT METAL | MTL-02 GRAY

BUILDING 2

BRICK BASE | BR-01 DARK BROWN

FIBER CEMENT SIDING | FC-01 VERTICAL - DARK GRAY

ACCENT CAP & SILL | CC-02 TAN

PERFORATED RAILING | MP-02 DARK GRAY

KEY PLAN

HUB BOULDER - ARAPAHOE | 2130 ARAPAHOE AVE. | SITE PLAN REVIEW 07.29.2026

EXTERIOR WEST ELEVATION

A 2.01

2505 Walnut Street | Suite 200 | Boulder, CO 80302 | 303.442.4422 | www.sophersparn.com

FACADE LEGEND

FACADE 1 FACADE 2 43' - 11 1/2"

FACADE 1 27' - 2 1/2"

FACADE 2 19' - 3"

55' - 4"

FACADE 1 27' - 2 1/2"

19' - 3"

FACADE 2 19' - 3"

FACADE 2 19' - 6 1/2"

23' - 0"

BALCONY STEP BACK (48')

FACADE 1 27' - 2 1/2"

FACADE 2 23' - 4 1/2"

BALCONY STEP BACK (48')

VERTICAL EXPRESSION

FACADE 2

SOUTH ELEVATION DIAGRAM

16'

FACADE 3 31' - 0"

FACADE 3 22' - 7"

GARAGE

BIKE STORAGE

32'

3/32" = 1'-0"

3 A 3.01

4 A 3.00

2 A 3.01

1 A 3.01

CHAMPION SYCAMORE TREE BEYOND

MP-01

WN-02

FC-03 WN-02

WN-02

BR-02

MTL-03

WN-01

BR-02 WN-01

34' - 11 1/2"

9' - 1 1/2"

MTL-02

46' - 6"

FC-01

30' - 8 1/2"

22' - 7"

19' - 9 1/2"

27' - 4 1/2"

4 A 3.00

2 A 3.01

LEVEL 3 121' - 8" LEVEL 2 111' - 4"

LEVEL 1 100' - 0" PARKING 96' - 6"

BR-01

MP-02

MAIN BUILDING (BUILDING 2)

LEVEL 4 132' - 0"

23' - 2"

MTL-02

BR-01 MP-02

3 A 3.01

178' - 11 1/2"

ROOF LEVEL 142' - 4"

54' - 11" MAX. BUILDING HEIGHT

FC-01

EXISTING MULTIUSE PATH

FC-03

BR-01

1 A 3.01

BLDG. LOW POINT 5306' - 6"

MTL-02

SOUTH SITE ELEVATION 1/16" = 1'-0"

16'

32'

64'

2.00 - MATERIAL FINISH SCHEDULE - EXTERIOR MARK AL-01 AL-02 BR-01 BR-02 BR-03 CC-01 CC-02 FC-01 FC-02 FC-03 FC-04 GL-01 MP-01 MP-02 MTL-01 MTL-02 MTL-03 MTL-04 RM-01 RS-01 WN-01 WN-02

DESCRIPTION

FINISH

GRAY DARK GRAY DARK BROWN RED BLEND MATCH ADJACENT BRICK BOARDFORM TAN DARK GRAY LIGHT GRAY DARK GRAY GRAY CLEAR GRAY LIGHT GRAY DARK GRAY GRAY TAN GRAY LIGHT GRAY DARK GRAY LIGHT GRAY BLACK

ARAPAHOE HOUSE

MATERIAL PALETTE PRIMARY MATERIALS

MECHANICAL SCREEN

MP-02

FC-01

PPRIVATE ACCESS WALK

ELEVATOR OVERRUN

FC-02

RS-01

CHAMPION SYCAMORE TREE BEYOND

BRICK | BR-02 RED BLEND

FIBER CEMENT SIDING | FC-02 PANEL - LIGHT GRAY

ACCENT MATERIALS

FACADE 3

BUILDING 3 CHESTNUT HOUSE

BRICK ACCENT | BR-03 RED BLEND ACCENT PATTERN

LINCOLN HALL

ACCENT METAL | MTL-02 GRAY

BUILDING 2

BRICK BASE | BR-01 DARK BROWN

FIBER CEMENT SIDING | FC-01 VERTICAL - DARK GRAY

ACCENT CAP & SILL | CC-02 TAN

PERFORATED RAILING | MP-02 DARK GRAY

KEY PLAN

HUB BOULDER - ARAPAHOE | 2130 ARAPAHOE AVE. | SITE PLAN REVIEW 07.29.2026

EXTERIOR SOUTH ELEVATION

A 2.02

2505 Walnut Street | Suite 200 | Boulder, CO 80302 | 303.442.4422 | www.sophersparn.com

FACADE 3 7' - 3 1/2" STEP BACK (20') FACADE 2 129' - 5" FACADE 1 25' - 2"

FACADE 1 25' - 0"

FACADE 1 25' - 2"

7' - 4"

VERTICAL EXPRESSION

7' - 3"

VERTICAL EXPRESSION

7' - 3"

VERTICAL EXPRESSION

7' - 3"

FACADE 1 25' - 0"

FACADE 3 25' - 4 1/2"

VERTICAL EXPRESSION

FACADE 3 28' - 4"

FACADE LEGEND

FACADE 1 ENTRY STEP BACK (9')

ENTRY STEP BACK (9')

7' - 10"

FACADE 2

FACADE 3

EAST ELEVATION DIAGRAM

16'

32'

3/32" = 1'-0"

CHAMPION SYCAMORE TREES BEYOND

1 A 3.00

2 A 3.00

MTL-03

CHAMPION RED OAK TREE

FC-03 MP-01

RS-01

WN-02

LEVEL 1 100' - 0" PARKING 96' - 6" BLDG. LOW POINT 5306' - 6"

MP-02

WN-02

TOWNHOUSE - ROOF 141' - 0"

MTL-03

FC-03

WN-01

MP-02

BR-03

MP-02

BR-01

FC-01 WN-02

WN-01

BR-03

183' - 3"

31' - 5 1/2"

TOWNHOUSE - L-4 130' - 6"

TOWNHOUSE - L-3 120' - 0"

TOWNHOUSE - L-2 109' - 6"

TOWNHOUSE - L-1 99' - 0" TOWNHOUSE - BLDG. LOW PT. 5308' - 7 3/4"

BR-01

TOWNHOUSES (BUILDING 3)

MAIN BUILDING (BUILDING 2)

1 A 3.00

62' - 1 1/2"

54' - 11"

BR-02

WN-01

BR-02

2 A 3.00

EAST SITE ELEVATION 1/16" = 1'-0"

16'

32'

64' 2.00 - MATERIAL FINISH SCHEDULE - EXTERIOR MARK AL-01 AL-02 BR-01 BR-02 BR-03 CC-01 CC-02 FC-01 FC-02 FC-03 FC-04 GL-01 MP-01 MP-02 MTL-01 MTL-02 MTL-03 MTL-04 RM-01 RS-01 WN-01 WN-02

DESCRIPTION

FINISH

GRAY DARK GRAY DARK BROWN RED BLEND MATCH ADJACENT BRICK BOARDFORM TAN DARK GRAY LIGHT GRAY DARK GRAY GRAY CLEAR GRAY LIGHT GRAY DARK GRAY GRAY TAN GRAY LIGHT GRAY DARK GRAY LIGHT GRAY BLACK

ARAPAHOE HOUSE

MATERIAL PALETTE

BRICK | BR-02 RED BLEND

FIBER CEMENT SIDING | FC-02 PANEL - LIGHT GRAY

ACCENT MATERIALS

PRIMARY MATERIALS

FC-02

MAX. BUILDING HEIGHT

LEVEL 2 111' - 4"

RS-01

WN-02

FC-01

ARAPAHOE AVE.

LEVEL 3 121' - 8"

54' - 10 3/4"

LEVEL 4 132' - 0"

MAX. BUILDING HEIGHT

ROOF LEVEL 142' - 4"

PROPOSED MULTIUSE PATH / MARINE ST.

FC-02

BUILDING 3 CHESTNUT HOUSE

BRICK ACCENT | BR-03 RED BLEND ACCENT PATTERN

LINCOLN HALL

ACCENT METAL | MTL-02 GRAY

BUILDING 2

BRICK BASE | BR-01 DARK BROWN

FIBER CEMENT SIDING | FC-01 VERTICAL - DARK GRAY

ACCENT CAP & SILL | CC-02 TAN

PERFORATED RAILING | MP-02 DARK GRAY

KEY PLAN

HUB BOULDER - ARAPAHOE | 2130 ARAPAHOE AVE. | SITE PLAN REVIEW 07.29.2026

EXTERIOR EAST ELEVATION

A 2.03

2505 Walnut Street | Suite 200 | Boulder, CO 80302 | 303.442.4422 | www.sophersparn.com

3 A 3.00

MTL-01

ROOF LEVEL 142' - 4"

FC-01

RS-01

WN-02

FC-01

FC-03

2 A 3.00

MTL-02

AL-01

GL-01

ROOF LEVEL 142' - 4"

MTL-02 WN-01 BR-02

LEVEL 4 132' - 0"

LEVEL 3 121' - 8"

LEVEL 2 111' - 4"

LEVEL 1 100' - 0"

PARKING 96' - 6" BLDG. LOW POINT 5306' - 6"

BR-01

MAX. BUILDING HEIGHT

MTL-03

LEVEL 4 132' - 0"

54' - 10 7/8"

WN-02

PARKING 96' - 6" BLDG. LOW POINT 5306' - 6"

WN-01

BR-02

AL-01

BR-01

BR-03

MTL-02

3 A 3.00

WEST ELEVATION - COURTYARD

1/16" = 1'-0"

2 A 3.00

EAST ELEVATION - COURTYARD 1/16" = 1'-0"

1 A 3.01

2 A 3.01

4 A 3.00

3 A 3.01

DASHED LIGHT LINE REPRESENTS BUILDING IN FOREGROUND

MP-01

WN-02 FC-03 FC-02

MTL-01 WN-02 FC-01 ROOF LEVEL 142' - 4"

FC-01 WN-02

54' - 11"

BR-02

WN-01 BR-03

LEVEL 4 132' - 0"

MAX. BUILDING HEIGHT

MTL-03

LEVEL 3 121' - 8" LEVEL 2 111' - 4"

BR-01

LEVEL 1 100' - 0"

MP-02 WN-01

1 A 3.01

BR-01

WN-01

FC-02

4 A 3.00

2 A 3.01

3 A 3.01

NORTH SITE ELEVATION - COURTYARD 0'

16'

32'

64' 2.00 - MATERIAL FINISH SCHEDULE - EXTERIOR MARK AL-01 AL-02 BR-01 BR-02 BR-03 CC-01 CC-02 FC-01 FC-02 FC-03 FC-04 GL-01 MP-01 MP-02 MTL-01 MTL-02 MTL-03 MTL-04 RM-01 RS-01 WN-01 WN-02

DESCRIPTION

FINISH

GRAY DARK GRAY DARK BROWN RED BLEND MATCH ADJACENT BRICK BOARDFORM TAN DARK GRAY LIGHT GRAY DARK GRAY GRAY CLEAR GRAY LIGHT GRAY DARK GRAY GRAY TAN GRAY LIGHT GRAY DARK GRAY LIGHT GRAY BLACK

ARAPAHOE HOUSE

MATERIAL PALETTE

BRICK | BR-02 RED BLEND

FIBER CEMENT SIDING | FC-02 PANEL - LIGHT GRAY

ACCENT MATERIALS

1/16" = 1'-0"

PRIMARY MATERIALS

BR-02

MTL-02

PARKING 96' - 6" BLDG. LOW POINT 5306' - 6"

3 CHESTNUT HOUSE

BRICK ACCENT | BR-03 RED BLEND ACCENT PATTERN

ACCENT METAL | MTL-02 GRAY

BUILDING 3

LINCOLN HALL

1 BUILDING 2

BRICK BASE | BR-01 DARK BROWN

FIBER CEMENT SIDING | FC-01 VERTICAL - DARK GRAY

ACCENT CAP & SILL | CC-02 TAN

PERFORATED RAILING | MP-02 DARK GRAY

KEY PLAN

HUB BOULDER - ARAPAHOE | 2130 ARAPAHOE AVE. | SITE PLAN REVIEW 07.29.2026

EXTERIOR ELEVATIONS - COURTYARD

A 2.04

2505 Walnut Street | Suite 200 | Boulder, CO 80302 | 303.442.4422 | www.sophersparn.com

CHAMPION SYCAMORE TREE BEYOND

1 A 3.01

2 A 3.00

RS-01

FC-03

FC-02

54' - 11"

WN-01

TOWNHOUSE - L-4 130' - 6"

TOWNHOUSE - L-3 120' - 0"

TOWNHOUSE - L-2 109' - 6"

TOWNHOUSE - L-1 - 0" TOWNHOUSE - 99' BLDG. LOW PT. 5308' - 7 3/4"

MP-02

TOWNHOUSE - L-1 99' - 0" TOWNHOUSE - BLDG. LOW PT. 5308' - 7 3/4"

EXISTING MULTIUSE PATH

MTL-03

TOWNHOUSE - ROOF 141' - 0" MAX. BUILDING HEIGHT

MP-02

TOWNHOUSE - ROOF 141' - 0"

54' - 11"

FC-02

MAX. BUILDING HEIGHT

CHAMPION RED OAK TREE

FC-02

MTL-03

WN-01

BR-02

FC-02

BR-02

TOWNHOUSES (BUILDING 3)

BR-01

TOWNHOUSES (BUILDING 3)

2 A 3.00

1 A 3.01

TOWNHOUSE - EAST ELEVATION

1/16" = 1'-0"

TOWNHOUSE - NORTH ELEVATION 1/16" = 1'-0"

1 A 3.01

2 A 3.00 MP-02 FC-03 FC-02 WN-02

54' - 11"

WN-02 MTL-03 BR-02 WN-01

TOWNHOUSE - L-4 130' - 6"

FC-03 54' - 11"

FC-02

MAX. BUILDING HEIGHT

RS-01

FC-02

TOWNHOUSE - L-3 120' - 0"

BR-02 TOWNHOUSE - L-2 109' - 6" WN-01

TOWNHOUSE - L-1 99' - 0" TOWNHOUSE - BLDG. LOW PT. 5308' - 7 3/4"

1/16" = 1'-0"

16'

32'

TOWNHOUSE - L-2 109' - 6"

64'

TOWNHOUSE - SOUTH ELEVATION 1/16" = 1'-0"

2.00 - MATERIAL FINISH SCHEDULE - EXTERIOR MARK AL-01 AL-02 BR-01 BR-02 BR-03 CC-01 CC-02 FC-01 FC-02 FC-03 FC-04 GL-01 MP-01 MP-02 MTL-01 MTL-02 MTL-03 MTL-04 RM-01 RS-01 WN-01 WN-02

DESCRIPTION

FINISH

GRAY DARK GRAY DARK BROWN RED BLEND MATCH ADJACENT BRICK BOARDFORM TAN DARK GRAY LIGHT GRAY DARK GRAY GRAY CLEAR GRAY LIGHT GRAY DARK GRAY GRAY TAN GRAY LIGHT GRAY DARK GRAY LIGHT GRAY BLACK

ARAPAHOE HOUSE

MATERIAL PALETTE

BRICK | BR-02 RED BLEND

FIBER CEMENT SIDING | FC-02 PANEL - LIGHT GRAY

ACCENT MATERIALS

TOWNHOUSE - WEST ELEVATION 8'

TOWNHOUSE - L-3 120' - 0"

1 A 3.01

PRIMARY MATERIALS

TOWNHOUSE - L-4 130' - 6"

TOWNHOUSE - L-1 99' - 0" TOWNHOUSE - BLDG. LOW PT. 5308' - 7 3/4"

2 A 3.00

MAX. BUILDING HEIGHT

TOWNHOUSE - ROOF 141' - 0"

3 CHESTNUT HOUSE

BRICK ACCENT | BR-03 RED BLEND ACCENT PATTERN

2 BUILDING 3

LINCOLN HALL

ACCENT METAL | MTL-02 GRAY

BUILDING 2

BRICK BASE | BR-01 DARK BROWN

FIBER CEMENT SIDING | FC-01 VERTICAL - DARK GRAY

ACCENT CAP & SILL | CC-02 TAN

PERFORATED RAILING | MP-02 DARK GRAY

KEY PLAN

HUB BOULDER - ARAPAHOE | 2130 ARAPAHOE AVE. | SITE PLAN REVIEW 07.29.2026

EXTERIOR ELEVATIONS - TOWNHOUSE

A 2.05

2505 Walnut Street | Suite 200 | Boulder, CO 80302 | 303.442.4422 | www.sophersparn.com

3 A 3.01

2 A 3.00

1 A 3.00

ROOF LEVEL 142' - 4"

CORR. LEVEL 4 132' - 0" 5BR/4BA FLAT

CORR.

5BR/5BA FLAT

D.O. 4BR/2BA FLAT

5BR/5BA FLAT

D.O. 4BR/2BA FLAT

LEVEL 3 121' - 8" 5BR/4BA FLAT

CORR.

5BR/5BA FLAT

LEVEL 4 132' - 0" LEVEL 3 121' - 8"

D.O. 4BR/2BA FLAT

LEVEL 2 111' - 4" VESTIBULE

LOBBY & COMMONS

LEVEL 2 111' - 4" D.O. 4BR/2BA FLAT

CORR.

COVERED PARKING

LEVEL 1 100' - 0"

STORAGE/ SHOP

B.O.H. /MECHANICAL

LEVEL 1 100' - 0" PARKING 96' - 6" BLDG. LOW POINT 5306' - 6"

BLDG. LOW POINT 5306' - 6" 3 A 3.01

5BR/4BA FLAT

5BR/5BA TOWNHOUSE 2BR/1BA FLAT

SPA

FITNESS

5BR/4BA FLAT

LOBBY

6BR/6BA TOWNHOUSE

2BR/1BA FLAT

LINCOLN HALL

3 A 3.01

4 A 3.00

10' - 6"

TOWNHOUSE - L-4 130' - 6"

TOWNHOUSE - L-3 120' - 0"

TOWNHOUSE - L-2 109' - 6" TOWNHOUSE - L-1 99' - 0"

2 A 3.01

TOWNHOUSES (BUILDING 3)

BASEMENT INFILL

1 A 3.01

EAST-WEST SITE SECTION 1/16" = 1'-0"

4 A 3.00

2 A 3.01

1 A 3.01

5BR/4BA FLAT

4BR/4BA FLAT

5BR/4BA FLAT

4BR/4BA FLAT

5BR/4BA FLAT

4BR/4BA FLAT

5BR/5BA FLAT

COVERED PARKING

STORAGE/ SHOP

D.O. 2BR/1BA FLAT 5BR/4BA TOWNHOUSE 5BR/4BA TOWNHOUSE

COVERED PARKING

3' - 6"

5BR/4BA FLAT

D.O. 2BR/1BA FLAT

3 A 3.01

4 A 3.00

1 A 3.01

2 A 3.01

ROOF LEVEL 142' - 4" 54' - 11" MAX. BUILDING HEIGHT

SHARED CAMPUS WALK

3 A 3.01

5BR/5BA TOWNHOUSE

TOWNHOUSE - ROOF 141' - 0"

TOWNHOUSE - BLDG. LOW PT. 5308' - 7 3/4"

MAIN BUILDING (BUILDING 2)

5BR/5BA TOWNHOUSE

10' - 4" 10' - 4" 10' - 4"

BLDG. LOW POINT 5306' - 6"

5BR/4BA FLAT

11' - 4"

LEVEL 1 100' - 0"

POOL EQUIPMENT ROOM

5BR/4BA FLAT

ANNEX

1 A 3.01

8' - 1"

11' - 4"

LEVEL 2 111' - 4"

2 A 3.01

54' - 11" MAX. BUILDING HEIGHT

10' - 4"

LEVEL 3 121' - 8"

4 A 3.00

10' - 6"

10' - 4"

LEVEL 4 132' - 0"

SHARED CAMPUS WALK

3 A 3.01

1/16" = 1'-0"

10' - 6"

1/16" = 1'-0"

NORTH SOUTH SITE SECTION

10' - 6"

EXISTING MULTIUSE PATH

EAST-WEST SECTION @ MAIN ENTRY

1 A 3.00

EXISTING MULTIUSE PATH

2 A 3.00

LEVEL 4 132' - 0" LEVEL 3 121' - 8" LEVEL 2 111' - 4" LEVEL 1 100' - 0" PARKING 96' - 6"

BLDG. LOW POINT 5306' - 6"

EAST-WEST SITE SECTION 1" = 20'-0"

16'

32'

64'

HUB BOULDER - ARAPAHOE | 2130 ARAPAHOE AVE. | SITE PLAN REVIEW 07.29.2026

BUILDING SECTIONS

A 3.00

2505 Walnut Street | Suite 200 | Boulder, CO 80302 | 303.442.4422 | www.sophersparn.com

1 A 3.00

ARAPAHOE AVE.

5BR/3BA FLAT

5BR/4BA FLAT

5BR/3BA FLAT

5BR/4BA FLAT

5BR/3BA FLAT

LOBBY & COMMONS

ANNEX

5BR/4BA FLAT

10' - 4"

5BR/4BA FLAT

2BR/2BA FLAT

B.O.H. /ELECTRICAL

LEVEL 4 132' - 0"

10' - 4"

5BR/4BA FLAT

LEVEL 3 121' - 8"

10' - 4"

TROPHY ROOM

POOL DECK

ROOF LEVEL 142' - 4"

LEVEL 2 111' - 4"

11' - 4"

3 A 3.00

MARINE ST.

2 A 3.00

LEVEL 1 100' - 0" PARKING 96' - 6" BLDG. LOW POINT 5306' - 6"

2 A 3.00

1 A 3.00

5BR/5BA FLAT

4BR/4BA FLAT

4BR/2BA FLAT

ARAPAHOE AVE.

5BR/5BA FLAT 5BR/4BA FLAT 5BR/5BA FLAT

5BR/5BA FLAT

LOBBY COVERED PARKING

D.O. 4BR/2BA FLAT

10' - 4"

2 A 3.00

10' - 4"

1/16" = 1'-0"

3 A 3.00

6BR/5BA TOWNHOUSE

10' - 4"

NORTH SOUTH SITE SECTION

6BR/5BA TOWNHOUSE

11' - 4"

1/16" = 1'-0"

1 A 3.00

2 A 3.00

1 A 3.00

D.O. 4BR/2BA FLAT

D.O. 2BR/1BA FLAT

D.O. 4BR/2BA FLAT

D.O. 2BR/1BA FLAT

5BR/5BA TOWNHOUSE

5BR/4BA TOWNHOUSE

4BR/2BA FLAT

5BR/5BA TOWNHOUSE

3' - 6"

TOWNHOUSE - L-1 99' - 0" TOWNHOUSE - BLDG. LOW PT. 5308' - 7 3/4"

5BR/4BA TOWNHOUSE

D.O. 4BR/2BA FLAT

11' - 4"

TOWNHOUSE - L-2 109' - 6"

2BR/2BA FLAT

6BR/6BA TOWNHOUSE

10' - 6"

ARAPAHOE AVE.

TOWNHOUSE - L-3 120' - 0"

2BR/2BA FLAT

10' - 6"

TOWNHOUSE - L-4 130' - 6"

10' - 6"

TOWNHOUSE - ROOF 141' - 0"

2 A 3.00

10' - 4"

NORTH SOUTH SITE SECTION

TOWNHOUSES (BUILDING 3)

MAIN BUILDING (BUILDING 2)

2 A 3.00

LEVEL 4 132' - 0" LEVEL 3 121' - 8" LEVEL 2 111' - 4" LEVEL 1 100' - 0" PARKING 96' - 6" BLDG. LOW POINT 5306' - 6"

MAIN BUILDING (BUILDING 2)

10' - 4"

LINCOLN HALL

10' - 4"

3' - 6"

INFILLED BASEMENT

ROOF LEVEL 142' - 4"

ROOF LEVEL 142' - 4" LEVEL 4 132' - 0" LEVEL 3 121' - 8" LEVEL 2 111' - 4" LEVEL 1 100' - 0" PARKING 96' - 6" BLDG. LOW POINT 5306' - 6"

1 A 3.00

NORTH SOUTH SITE SECTION 1/16" = 1'-0"

16'

32'

64'

HUB BOULDER - ARAPAHOE | 2130 ARAPAHOE AVE. | SITE PLAN REVIEW 07.29.2026

BUILDING SECTIONS

A 3.01

2505 Walnut Street | Suite 200 | Boulder, CO 80302 | 303.442.4422 | www.sophersparn.com

BRICK | BR-02 RED BLEND

FIBER CEMENT SIDING | FC-02 PANEL - LIGHT GRAY

BRICK BASE | BR-01 DARK BROWN

FIBER CEMENT SIDING | FC-01 VERTICAL - DARK GRAY

ACCENT MATERIALS

PRIMARY MATERIALS

MATERIAL PALETTE

BRICK ACCENT | BR-03 RED BLEND ACCENT PATTERN

ACCENT METAL | MTL-02 GRAY

ACCENT CAP & SILL | CC-02 TAN

PERFORATED RAILING | MP-02 DARK GRAY

CONTEXT & DESIGN INSPIRATION

VIEW A: CONCEPTUAL RENDERING - VIEW FROM NORTH-EAST ALONG ARAPAHOE AVE

LINCOLN HALL

MARINE COURT - NEIGHBORING CU STUDENT HOUSING

STATE OF COLORADO CHAMPION TREES

VIEW B: CONCEPTUAL RENDERING - VIEW OF CAMPUS WALK FROM NORTH-WEST

HUB BOULDER - ARAPAHOE | 2130 ARAPAHOE AVE. | SITE PLAN REVIEW 07.29.2026

CONCEPTUAL RENDERINGS

A 9.00

2505 Walnut Street | Suite 200 | Boulder, CO 80302 | 303.442.4422 | www.sophersparn.com

BRICK | BR-02 RED BLEND

FIBER CEMENT SIDING | FC-02 PANEL - LIGHT GRAY

BRICK BASE | BR-01 DARK BROWN

FIBER CEMENT SIDING | FC-01 VERTICAL - DARK GRAY

ACCENT MATERIALS

PRIMARY MATERIALS

MATERIAL PALETTE

BRICK ACCENT | BR-03 RED BLEND ACCENT PATTERN

ACCENT METAL | MTL-02 GRAY

ACCENT CAP & SILL | CC-02 TAN

PERFORATED RAILING | MP-02 DARK GRAY

DESIGN INSPIRATION & PRECEDENTS EXPRESSIVE ROOF FORMS

TIMELESS DETAILING & MATERIALS

UNIVERSITY OF COLORADO ENGINEERING BUILDING - BOULDER, CO ARCHITECTURAL ASSOCIATES OF COLORADO

MOXY HOTEL - BOULDER, CO SAR+ ARCHITECTS

DESIGN INSPIRATION & PRECEDENT IMAGERY

VIEW A: CONCEPTUAL RENDERING - VIEW FROM SOUTH-WEST

AMSTERDAM CANAL HOUSES

UNIVERSITY OF COLORADO, CASE BUILDING OZ ARCHITECTURE

CAMPUS WALKS

LOCUST WALK, UNIVERSITY OF PENNSYLVANIA

WARDENBURG DRIVE, UNIVERSITY OF COLORADO BOULDER

VIEW B: CONCEPTUAL RENDERING - VIEW OF ENTRY FROM SHARED CAMPUS WALK

A HUB BOULDER - ARAPAHOE | 2130 ARAPAHOE AVE. | SITE PLAN REVIEW 07.29.2026

CONCEPTUAL RENDERINGS

A 9.01

2505 Walnut Street | Suite 200 | Boulder, CO 80302 | 303.442.4422 | www.sophersparn.com

VIEW A: CONCEPTUAL RENDERING - COURTYARD VIEW

VIEW B: CONCEPTUAL RENDERING - VIEW FROM ARAPAHOE INTO COURTYARD

A C

VIEW C: CONCEPTUAL RENDERING - VIEW FROM EAST MULTI-USE PATH

VIEW D: CONCEPTUAL RENDERING - VIEW FROM NORTHEAST ON ARAPAHOE AVE

HUB BOULDER - ARAPAHOE | 2130 ARAPAHOE AVE. | SITE PLAN REVIEW 07.29.2026

CONCEPTUAL SITE EXPERIENCE VIGNETTES

A 9.02

2505 Walnut Street | Suite 200 | Boulder, CO 80302 | 303.442.4422 | www.sophersparn.com

POWDER COATED STEEL CHANNEL AT CANOPY EDGE

3' - 4"

BRICK VENEER

FINISHED CEILING

BRICK | BR-02 RED BLEND

FIBER CEMENT SIDING | FC-02 PANEL - LIGHT GRAY

BRICK BASE | BR-01 DARK BROWN

FIBER CEMENT SIDING | FC-01 VERTICAL - DARK GRAY

ACCENT MATERIALS

MEMBRANE ROOFING OVER CANOPY FRAMING, RE: STRUCT.

PRECAST CONCRETE CAP

PRIMARY MATERIALS

MATERIAL PALETTE

BRICK ACCENT | BR-03 RED BLEND ACCENT PATTERN

ACCENT METAL | MTL-02 GRAY

ACCENT CAP & SILL | CC-02 TAN

PERFORATED RAILING | MP-02 DARK GRAY

GLASS & ALUMINUM GUARDRAIL

6' - 0" RAILING

8' - 0"

ROOF DECK

PREFINISHED METAL FLASHING AT RAILING/ OPENIING

CONCRETE PAVERS ON PEDESTALS, OVER COVER BOARD AND TAPERED INSULATION - SLOPE TO DRAIN

CONCRETE SLAB, RE: STRUCT

2.00 - MATERIAL FINISH SCHEDULE - EXTERIOR MARK

3' - 0"

RECESSED BRICK VENEER

2' - 4"

1" RECESS FROM FACE

DESIGN INSPIRATION & CONTEXT

TRELLIS

LEVEL 4 132' - 0"

MTL-02

EXISTING LINCOLN HALL DESIGN INSPIRATION TO BE CARRIED THROUGHOUT PROPOSED DESIGN -VERTICAL WINDOW STACK -WHITE WINDOW FRAME WITH BRICK EXTERIOR -BRICK WINDOW HEADER -WHITE TRIM DETAILS THROUGHOUT -BRICK REVEAL DETAILING AT BUILDING BASE

9' - 4"

ALUMINUM STOREFRONT

GL-01

10' - 4"

POWDER COATED STEEL CHANNEL, RE: STRUCT

CC-02 PREFINISHED METAL SILL FLASHING AT STOREFRONT, TYP

BR-02

2' - 4"

DECK

WN-01

FINISH

GRAY DARK GRAY DARK BROWN RED BLEND MATCH ADJACENT BRICK BOARDFORM TAN DARK GRAY LIGHT GRAY DARK GRAY GRAY CLEAR GRAY LIGHT GRAY DARK GRAY GRAY TAN GRAY LIGHT GRAY DARK GRAY LIGHT GRAY BLACK

LEVEL 3 121' - 8"

BR-03

MTL-02

8' - 0"

ALUMINUM STOREFRONT

9' - 4"

POWDER COATED STEEL CHANNEL, RE: STRUCT

RM-01

POWDER COATED STEEL CHANNEL, RE: STRUCT

1' - 0"

BRICK VENEER,TYP 2' - 4"

ROOF

1' - 0"

BRICK VENEER,TYP

AL-01 AL-02 BR-01 BR-02 BR-03 CC-01 CC-02 FC-01 FC-02 FC-03 FC-04 GL-01 MP-01 MP-02 MTL-01 MTL-02 MTL-03 MTL-04 RM-01 RS-01 WN-01 WN-02

DESCRIPTION

LEVEL 2 111' - 4"

DROPPED GYP CEILING

MTL-02

10' - 0"

AL-01

ARAPAHOE HOUSE

11' - 4"

ALUMINUM STOREFRONT

SLAB ON GRADE, RE: STRUCT

CHESTNUT HOUSE

BUILDING 3 LINCOLN HALL

MTL-04 BRICK VENEER BASE OVER CONCRETE FOUNDATION, RE: STRUCT

BR-01

LEVEL 1 100' - 0"

BUILDING 2 1/2" INSET BRICK REVEAL SLOPE SITE WORK AWAY FROM BUILDING, RE: CIVIL

CC-01

3D SECTION KEY PLAN

NW CORNER @ ROOF DECK

Not To Scale

HUB BOULDER - ARAPAHOE | 2130 ARAPAHOE AVE. | SITE PLAN REVIEW 07.29.2026

WALL SECTION @ ROOF DECK 3/8" = 1'-0"

DESIGN EXCELLENCE

A 9.10

2505 Walnut Street | Suite 200 | Boulder, CO 80302 | 303.442.4422 | www.sophersparn.com

CONCRETE POOL PER MFR., TILE FINISH TYP. 6' - 0" A.F.F.

GLASS AND METAL RAILING

FIBER CEMENT SIDING | FC-02 PANEL - LIGHT GRAY

BRICK BASE | BR-01 DARK BROWN

FIBER CEMENT SIDING | FC-01 VERTICAL - DARK GRAY

BRICK ACCENT | BR-03 RED BLEND ACCENT PATTERN

ACCENT METAL | MTL-02 GRAY

ACCENT CAP & SILL | CC-02 TAN

PERFORATED RAILING | MP-02 DARK GRAY

CONCRETE PAVERS, ON PEDESTALS, OVER COVER BOARD AND TAPERED INSULATION SLOPE TO DRAIN

7' - 4"

POOL

4' - 0"

1' - 6"

PRECAST CONCRETE CAP

BRICK | BR-02 RED BLEND

ACCENT MATERIALS

PRIMARY MATERIALS

MATERIAL PALETTE

2.00 - MATERIAL FINISH SCHEDULE - EXTERIOR 2' - 0"

CONCRETE SLAB, RE: STRUCT

MARK LEVEL 4 132' - 0"

AL-01 AL-02 BR-01 BR-02 BR-03 CC-01 CC-02 FC-01 FC-02 FC-03 FC-04 GL-01 MP-01 MP-02 MTL-01 MTL-02 MTL-03 MTL-04 RM-01 RS-01 WN-01 WN-02

BRICK HEADER

7' - 4"

PREFINISHED METAL SILL FLASHING AT WINDOWS, TYP GL-01

POOL

3' - 0"

1' - 0"

BRICK ACCENT PANEL, TYP

CC-02

ECK

BR-02

9' - 4"

SCHEDULED WINDOW

D ROOF

LEVEL 3 121' - 8"

DESCRIPTION

FINISH

GRAY DARK GRAY DARK BROWN RED BLEND MATCH ADJACENT BRICK BOARDFORM TAN DARK GRAY LIGHT GRAY DARK GRAY GRAY CLEAR GRAY LIGHT GRAY DARK GRAY GRAY TAN GRAY LIGHT GRAY DARK GRAY LIGHT GRAY BLACK

7' - 4"

WN-01

9' - 4"

SCHEDULED WINDOW

BR-02 WN-01

BR-03 BR-03

SLOPE TO DRAIN

1' - 0"

MEMBRANE ROOFING OVER TAPERED INSULATION POWDER COATED STEEL CHANNEL, RE: STRUCT

RM-01

LEVEL 2 111' - 4"

ALUMINUM STOREFRONT

11' - 4"

DROPPED GYP CEILING

MTL-02

ARAPAHOE HOUSE

PERFORATED METAL PANEL RAILING AL-01

SLAB ON GRADE, RE: STRUCT

MP-02

CONCRETE CAP

MTL-04

BRICK VENEER BASE OVER CONCRETE FOUNDATION, RE: STRUCT

BR-01

SLAB ON GRADE, RE: STRUCT

LEVEL 1 100' - 0"

BUILDING 3 CHESTNUT HOUSE

LINCOLN HALL

1/2" INSET BRICK REVEAL

3'-0" MIN

SLOPE SITE WORK AWAY FROM BUILDING, RE: CIVIL

BUILDING 2

CONCRETE FOUNDATION, RE: STRUCT

SECTION THROUGH ROOF DECK POOL

Not To Scale

3D SECTION KEY PLAN

WALL SECTION @ ROOF DECK POOL 3/8" = 1'-0"

HUB BOULDER - ARAPAHOE | 2130 ARAPAHOE AVE. | SITE PLAN REVIEW 07.29.2026

DESIGN EXCELLENCE

A 9.11

2505 Walnut Street | Suite 200 | Boulder, CO 80302 | 303.442.4422 | www.sophersparn.com

ROOF LEVEL 142' - 4"

FIBER CEMENT FASCIA, TYP FIBER CEMENT SIDING

BRICK | BR-02 RED BLEND

FIBER CEMENT SIDING | FC-02 PANEL - LIGHT GRAY

BRICK BASE | BR-01 DARK BROWN

FIBER CEMENT SIDING | FC-01 VERTICAL - DARK GRAY

ACCENT MATERIALS

ASPHALT SHINGLE ROOF, OVER PREFABRICATED TRUSS FRAMING, RE: STRUCT.

PRIMARY MATERIALS

MATERIAL PALETTE

BRICK ACCENT | BR-03 RED BLEND ACCENT PATTERN

ACCENT METAL | MTL-02 GRAY

ACCENT CAP & SILL | CC-02 TAN

PERFORATED RAILING | MP-02 DARK GRAY

7' - 7 1/2"

10' - 4"

SCHEDULED WINDOW

2.00 - MATERIAL FINISH SCHEDULE - EXTERIOR

1' - 0" MATERIAL OFFSET

MARK

TAN METAL CAP AT BRICK WALL LEVEL 4 132' - 0"

3' - 0"

RS-01

AL-01 AL-02 BR-01 BR-02 BR-03 CC-01 CC-02 FC-01 FC-02 FC-03 FC-04 GL-01 MP-01 MP-02 MTL-01 MTL-02 MTL-03 MTL-04 RM-01 RS-01 WN-01 WN-02

BRICK HEADER

10' - 4"

SCHEDULED WINDOW

FC-03

7' - 4"

FC-01 WN-02

PREFINISHED METAL SILL FLASHING AT WINDOWS, TYP

FC-03 MTL-03

DESCRIPTION

FINISH

GRAY DARK GRAY DARK BROWN RED BLEND MATCH ADJACENT BRICK BOARDFORM TAN DARK GRAY LIGHT GRAY DARK GRAY GRAY CLEAR GRAY LIGHT GRAY DARK GRAY GRAY TAN GRAY LIGHT GRAY DARK GRAY LIGHT GRAY BLACK

3' - 0"

LEVEL 3 121' - 8"

BRICK HEADER

BR-02 WN-01

7' - 4"

10' - 4"

SCHEDULED WINDOW

LEVEL 2 111' - 4" 4' - 0"

BRICK VENEER

BRICK HEADER

SLAB ON GRADE, RE: STRUCT.

MTL-04

PLANTING AT RAIN GARDEN, RE: LANDSCAPE

7' - 4"

WN-01

11' - 4"

SCHEDULED WINDOW

BR-03

ARAPAHOE HOUSE

CC-01

BUILDING 3 1"

IVA T

ESS

LEVEL 1 100' - 0"

CONCRETE FOUNDATION, RE: SRUCT

TYPICAL SECTION @ WEST WING

Not To Scale

BUILDING 2

3D SECTION KEY PLAN

TYP. WALL SECTION @ WEST WING 3/8" = 1'-0"

LINCOLN HALL

BOARD FORMED CONCRETE WALL

CHESTNUT HOUSE

HUB BOULDER - ARAPAHOE | 2130 ARAPAHOE AVE. | SITE PLAN REVIEW 07.29.2026

DESIGN EXCELLENCE

A 9.12

2505 Walnut Street | Suite 200 | Boulder, CO 80302 | 303.442.4422 | www.sophersparn.com

PRIMARY MATERIALS

FIBER CEMENT PANEL SIDING

FIBER CEMENT SOFFIT

FIBER CEMENT SIDING | FC-02 PANEL - LIGHT GRAY

BRICK BASE | BR-01 DARK BROWN

FIBER CEMENT SIDING | FC-01 VERTICAL - DARK GRAY

4' - 0"

8' - 0"

BALCONY

FIBER CEMENT SIDING AT BALCONY INTERIOR

4' - 0" RAILING

MARK AL-01 AL-02 BR-01 BR-02 BR-03 CC-01 CC-02 FC-01 FC-02 FC-03 FC-04 GL-01 MP-01 MP-02 MTL-01 MTL-02 MTL-03 MTL-04 RM-01 RS-01 WN-01 WN-02

2' - 4"

LEVEL 4 132' - 0"

1' - 0 1/2"

RS-01

SCHEDULED WINDOW 4' - 0"

FC-01

PERFORATED METAL PANEL RAILING

WN-02

4' - 0" RAILING

8' - 0"

FC-03

BALCONY

10' - 4"

MTL-01

FC-03

FIBER CEMENT PANEL SIDING

WN-02

ACCENT CAP & SILL | CC-02 TAN

PERFORATED RAILING | MP-02 DARK GRAY

DESCRIPTION

FINISH

GRAY DARK GRAY DARK BROWN RED BLEND MATCH ADJACENT BRICK BOARDFORM TAN DARK GRAY LIGHT GRAY DARK GRAY GRAY CLEAR GRAY LIGHT GRAY DARK GRAY GRAY TAN GRAY LIGHT GRAY DARK GRAY LIGHT GRAY BLACK

LEVEL 3 121' - 8"

2' - 4"

FC-02

ACCENT METAL | MTL-02 GRAY

2.00 - MATERIAL FINISH SCHEDULE - EXTERIOR

PERFORATED METAL PANEL RAILING, TYP

COMPOSITE DECKING

BRICK ACCENT | BR-03 RED BLEND ACCENT PATTERN

SCHEDULED WINDOW

BRICK | BR-02 RED BLEND

ACCENT MATERIALS

MATERIAL PALETTE

ASPHALT SHINGLE ROOF, OVER PREFABRICATED TRUSS FRAMING, RE: STRUCT.

SCHEDULED WINDOW

INTERIOR SPACE

7' - 4"

FC-02

10' - 4"

MP-02

LEVEL 2 111' - 4"

FIBER CEMENT PANEL SIDING

PLANTER, RE: LANDSCAPE

BR-02

1' - 7"

POWDER COATED STEEL CHANNEL, RE: STRUCT

MTL-03

FIBER CEMENT SOFFIT

FC-03

FIBER CEMENT PANEL SIDING

BALCONY 11' - 4"

WN-02

BRICK VENEER WALL BEYOND BR-02

SCHEDULED WINDOW

WN-01

PERFORATED METAL PANEL RAILING

ARAPAHOE HOUSE

BUILDING 3 CHESTNUT HOUSE

FC-02 MTL-04

SLAB ON GRADE, RE: STRUCT

WN-01

BR-01

LEVEL 1 100' - 0"

CONCRETE CAP

BUILDING 2

1/2" INSET BRICK REVEAL BRICK VENEER BASE OVER CONCRETE FOUNDATION, RE: STRUCT

CONCRETE FOUNDATION, RE: STRUCT

SLOPE SITE WORK AWAY FROM BUILDING, RE: CIVIL

SECTION THROUGH SOUTH BALCONIES

Not To Scale

LINCOLN HALL

3D SECTION KEY PLAN

WALL SECTION @ SOUTH BALCONY 3/8" = 1'-0"

HUB BOULDER - ARAPAHOE | 2130 ARAPAHOE AVE. | SITE PLAN REVIEW 07.29.2026

DESIGN EXCELLENCE

A 9.13

2505 Walnut Street | Suite 200 | Boulder, CO 80302 | 303.442.4422 | www.sophersparn.com

METAL PANEL MECHANICAL SCREEN MOUNTED ON HSS, RE: STRUCT

PREFINISHED METAL COPING W/ CONTINUOUS CLEAT, SEAL MEMBRANE ROOFING TO COPING AND PARAPET

SLOPE TO DRAIN

7' - 4"

10' - 4"

4' - 0"

ROOF LEVEL 142' - 4"

BRICK | BR-02 RED BLEND

FIBER CEMENT SIDING | FC-02 PANEL - LIGHT GRAY

BRICK BASE | BR-01 DARK BROWN

FIBER CEMENT SIDING | FC-01 VERTICAL - DARK GRAY

ACCENT MATERIALS

MEMBRANE ROOFING OVER PREFABRICATED TRUSS FRAMING, RE: STRUCT.

PRIMARY MATERIALS

MATERIAL PALETTE

SCHEDULED WINDOW

ACCENT CAP & SILL | CC-02 TAN

PERFORATED RAILING | MP-02 DARK GRAY

MARK AL-01 AL-02 BR-01 BR-02 BR-03 CC-01 CC-02 FC-01 FC-02 FC-03 FC-04 GL-01 MP-01 MP-02 MTL-01 MTL-02 MTL-03 MTL-04 RM-01 RS-01 WN-01 WN-02

3' - 0"

LEVEL 4 132' - 0"

FIBER CEMENT PANEL SIDING MP-01 SCHEDULED WINDOW

7' - 4"

10' - 4"

MTL-01

FC-02

1' - 3" MATERIAL OFFSET METAL CAP AT BRICK WALL, SLOPE TO EXTERIOR

DESCRIPTION

FINISH

GRAY DARK GRAY DARK BROWN RED BLEND MATCH ADJACENT BRICK BOARDFORM TAN DARK GRAY LIGHT GRAY DARK GRAY GRAY CLEAR GRAY LIGHT GRAY DARK GRAY GRAY TAN GRAY LIGHT GRAY DARK GRAY LIGHT GRAY BLACK

LEVEL 3 121' - 8"

1' - 3"

2' - 4"

BRICK VENEER

ACCENT METAL | MTL-02 GRAY

2.00 - MATERIAL FINISH SCHEDULE - EXTERIOR

PREFINISHED METAL SILL FLASHING AT WINDOWS, TYP

WN-02

BRICK ACCENT | BR-03 RED BLEND ACCENT PATTERN

FC-03

STEEL LINTEL, RE: STRUCT. 10' - 4"

FIBER CEMENT SOFFIT BRICK VENEER WALL BEYOND 7' - 4"

FIBER CEMENT VERTICAL SIDING WALL BEYOND SCHEDULED WINDOW PREFINISHED METAL SILL FLASHING AT WINDOWS, TYP

MTL-03

LEVEL 2 111' - 4"

BR-02

3' - 4"

19' - 4"

FIBER CEMENT VERTICAL SIDING

WN-01

SCHEDULED ENTRY DOOR 11' - 4"

SLAB ON GRADE, RE: STRUCT

FC-01

ARAPAHOE HOUSE

7' - 4"

PERFORATED METAL PANEL RAILING CONCRETE CAP

BUILDING 3

4' - 0" AFF

BRICK VENEER BASE OVER CONCRETE FOUNDATION, RE: STRUCT

INSET BRICK DETAILING PLANTING, RE: LANDSCAPE

LINCOLN HALL

LEVEL 1 100' - 0"

MTL-04

CHESTNUT HOUSE

3' - 6 1/2"

BR-01

BUILDING 2

VARIES

1" INSET PANEL

SLOPE SITE WORK AWAY FROM BUILDING, RE: CIVIL

3D SECTION KEY PLAN

CONCRETE FOUNDATION, RE: STRUCT BR-01

SECTION THROUGH EAST ENTRY PORCH

Not To Scale

BR-03

WALL SECTION @ EAST ENTRY PORCH 3/8" = 1'-0" 0 2'

HUB BOULDER - ARAPAHOE | 2130 ARAPAHOE AVE. | SITE PLAN REVIEW 07.29.2026

DESIGN EXCELLENCE

A 9.14

2505 Walnut Street | Suite 200 | Boulder, CO 80302 | 303.442.4422 | www.sophersparn.com

OPEN SPACE

LINCOLN HALL

USEABLE AREAS

NORTH

4TH FLOOR AMENITY DECK PLAN

1" = 30'-0"

15'

30'

60'

SCALE: 1" = 30'-0"

LX201

LINCOLN HALL

LX202

LX101

MARINE STREET

OVERALL SITE PLAN 1" = 30'-0"

MULTI-USE PATH

ARAPAHOE AVENUE

NORTH

15'

30'

60'

SCALE: 1" = 30'-0"

HUB BOULDER - ARAPAHOE | 2130 ARAPAHOE AVE. | SITE PLAN REVIEW

OVERALL SITE PLAN

07.29.2026

L002

2505 Walnut Street | Suite 200 | Boulder, CO 80302 | 303.442.4422 | www.sophersparn.com

NOTES: 1. TREES LABELED AS N/A* ON THE PLAN WERE EITHER NOT PRESENT DURING THE TREE INVENTORY , TOO SMALL, OR A MULTI-STEMMED SHRUB FORM AND NOT A TREE. 2. A COMPREHENSIVE TREE PRESERVATION PLAN WILL BE INCLUDED WITH THE NEXT SUBMITTAL PHASE, TECHNICAL DOCUMENTS. THIS PRESERVATION PLAN WILL DETAIL THE PLANS FOR PROTECTION AND CARE OF EXISTING CHAMPION TREES AND EXISTING RIGHT-OF-WAY TREES WITHIN THE PROJECT BOUNDARY AS WELL AS TREES ON ADJACENT PROPERTIES THAT MAY BE IMPACTED BY CONSTRUCTION ACTIVITY WITHIN THEIR DRIP LINE. THE PLAN WILL OUTLINE MEASURES SUCH AS SCHEDULED TREE WATERING TO REDUCE CONSTRUCTION-RELATED STRESS, INSTALLATION AND MAINTENANCE OF TREE PROTECTION FENCING AT CRITICAL ROOT ZONE LIMITS, AND ONGOING TREE HEALTH MONITORING BY QUALIFIED PROFESSIONALS. IT WILL ALSO OUTLINE TREE PROTECTION STRATEGIES INTEGRATED INTO CONSTRUCTION PHASING TO PREVENT IMPACTS FROM CONSTRUCTION ACTIVITIES.

TREE INVENTORY: ARBORIST: SCOTT GRIMES ISA CERTIFIED ARBORIST NUMBER: RM-2410 AM CITY OF BOULDER LICENSE NUMBER: S20952825-0001 COMPANY: COLORADO TREE CONSULTANTS DATE CONDUCTED: TREES 1-8 | 12 DECEMBER 2024 TREES 9-69 | 7 JANUARY 2026 TREES 70 & 71 | 21 MAY 2026 TREES A:1-14 | 21 MAY 2026

ARAPAHOE AVENUE

71 28

N/A* 49

N/A*

42 N/A*

46 45

24 2223 N/A* 21 N/A*

N/A*

N/A* N/A* N/A* N/A* N/A* 20 38 19

N/A* N/A*

A-10

N/A* 57

53 N/A* N/A* N/A*

A-9 64 8

LINCOLN HALL

5 39

N/A*

A-11

51 52

N/A* 25

N/A*

35 34 33

MULTI-USE PATH

A-1

A-8 N/A*

17 N/A*

A-7

31 2

N/A* 15 N/A* N/A*

A-6

69 12

MARINE STREET

A-3

A-4

A-5

A-2

TREE INVENTORY 1" = 30'-0"

NORTH

15'

30'

60'

SCALE: 1" = 30'-0"

HUB BOULDER - ARAPAHOE | 2130 ARAPAHOE AVE. | SITE PLAN REVIEW

TREE INVENTORY

07.29.2026

L003

2505 Walnut Street | Suite 200 | Boulder, CO 80302 | 303.442.4422 | www.sophersparn.com

CODE

DESCRIPTION

LAYOUT LEGEND

1 - PAVING & SURFACING 1-01 1-02 513'-8"

1-04 1-07

EXISTING TREE TO REMAIN EXISTING TREE TO REMAIN EXISTING DITCH TO REMAIN

1-08

5-01

3-03

ARAPAHOE AVENUE

1-11

BUS STOP

2-01 1-08

CONCERETE PAVING (SEE CIVIL) COLORED CONCRETE STAIRS CRUSHER FINES STONE STEPPERS CONCRETE EDGER

2 - WALLS & FENCES 8'

2-05

DETENTION, RE: CIVIL WATER QUALITY, RE: CIVIL EXISTING MULTI-USE PATH TRANSFORMER

EXISTING TREE TO REMAIN DETENTION, RE: CIVIL WATER QUALITY, RE: CIVIL RELOCATED ARAPAHOE HOUSE RELOCATED CHESTNUT HOUSE

2-01

9'-10"

4 LS301

2-06

CONCRETE SEAT STEPS DOG RUN FENCE DOG RUN GATE

3 - METALS

7'-9"

3-01 3-03

STAIR HANDRAIL STEEL EDGER

EXISTING WALLS TO REMAIN

LS301

20' PRIVATE DRIVE

1-01 3

16' 31'-8"

18'-6"

5-04

5-06

18'-6"

11 LS 50 1

LS301

5-01

EXISTING CHAMPION TREES

MAIN BUILDING ENTRY

5 - FURNISHINGS

5-01

5-06

5-04 29'-3"

8'-7"

5-06

1-04

DETENTION, RE: CIVIL WATER QUALITY, RE: CIVIL

HAMMOCK AND POST BIKE RACK

7 - ELECTRICAL 320'-1"

1-08

BENCH

7-01

LIGHT BOLLARD

3-01

MULTI-USE PATH

2 LS301

5-01 1-07

147'-6"

1-02 TRANSFORMERS

1-11 2-05

22'-6"

WATER QUALITY, RE: CIVIL

2-06 19'-7"

1-01

5'-5"

29'-3" 20'

TRELLIS SCREEN, RE: ARCHITECTURE RAINGARDEN, RE: CIVIL

23'-4"

MARINE STREET

LEVEL SPREADER, RE: CIVIL PRIVATE PATIO, RE: ARCHITECTURE GARAGE PEDESTRIAN ENTRANCE MAINTENANCE PAD

7-01

GARAGE BIKE/AUTO ENTRANCE

1-02 RAINGARDEN, RE: CIVIL

KEY MAP

LX202 LX201

150'-1"

476'-7"

LANDSCAPE SITE PLAN

1" = 30'-0"

SCALE: 1" = 30'-0"

15'

30'

60'

LX101

SCALE: N.T.S.

NORTH NORTH

HUB BOULDER - ARAPAHOE | 2130 ARAPAHOE AVE. | SITE PLAN REVIEW

GROUND FLOOR SITE PLAN

07.29.2026

LS101

2505 Walnut Street | Suite 200 | Boulder, CO 80302 | 303.442.4422 | www.sophersparn.com

REFERENCE NOTES SCHEDULE CODE

LA OUT LEGEND

DESCRIPTION

2 - WALLS & FENCES 2-04

LANDSCAPE PLANTER

ARAPAHOE AVENUE

ARAPAHOE OPERATIONS

RELOCATED ARAPAHOE HOUSE RELOCATED CHESTNUT HOUSE

5BR/3BA FLAT

5BR/5BA TOWNHOUSE

6BR/6BA TOWNHOUSE

5BR/5BA TOWNHOUSE

6BR/6BA TOWNHOUSE

5BR/4BA FLAT

STAIR

LINCOLN HALL5BR/4BA FLAT

5BR/4BA FLAT

CORR. ELEV.

ELEV.

5BR/3BA FLAT

5BR/4BA TOWNHOUSE 4BR/2BA FLAT

4BR/3BA FLAT

MULTI-USE PATH

5BR/4BA FLAT

5BR/4BA FLAT 5BR/5BA TOWNHOUSE CORR.

UP STAIR DN

5BR/4BA FLAT D.O. 4BR/2BA FLAT

2-04

5BR/5BA FLAT

4BR/4BA FLAT

5BR/5BA FLAT

B.O.H.

CORR.

5BR/4BA FLAT

5BR/5BA FLAT

5BR/4BA TOWNHOUSE

5BR/4BA FLAT

TRASH

2BR/2BA FLAT

STAIR

5BR/5BA TOWNHOUSE

CORR.

D.O. 4BR/2BA FLAT

4BR/4BA FLAT

CORR.

PRIVATE DECK TOPPING RE: ARCHITECTURE PATIO HOT TUB RE: ARCHITECTURE PATIO PARTITIONS RE: ARCHITECTURE

4BR/4BA FLAT

D.O. 4BR/2BA FLAT

CORR.

B.O.H.

5BR/5BA TOWNHOUSE

5BR/4BA TOWNHOUSE

6BR/5BA TOWNHOUSE

5BR/4BA TOWNHOUSE

5BR/5BA TOWNHOUSE

4BR/2BA FLAT

MARINE STREET

KEY MAP

LX202 LX201

SECOND FLOOR SITE PLAN

1" = 30'-0"

SCALE: 1" = 30'-0"

15'

30'

60'

LX101

SCALE: N.T.S.

NORTH NORTH

HUB BOULDER - ARAPAHOE | 2130 ARAPAHOE AVE. | SITE PLAN REVIEW

SECOND FLOOR SITE PLAN

07.29.2026

LS102

2505 Walnut Street | Suite 200 | Boulder, CO 80302 | 303.442.4422 | www.sophersparn.com

REFERENCE NOTES SCHEDULE CODE

LAYOUT LEGEND

DESCRIPTION

2 - WALLS & FENCES 2-04 CODE

ARAPAHOE AVENUE

LANDSCAPE PLANTER DESCRIPTION

5 - FURNISHINGS 5-07 5-12 5-17

5-13

5-15 4TH FLOOR PRIVATE PATIO RE: ARCHITECTURE

5-13

5-15 5-16

5-16

5-17

4TH FLOOR STRUCTURE RE: ARCHITECTURE 4TH FLOOR SPA RE: ARCHITECTURE

5-07 4TH FLOOR POOL RE: ARCHITECTURE

CAFE TABLE AND CHAIRS CHAISE LOUNGE LOUNGE CHAIR HARVEST TABLE FIREPIT OUTDOOR KITCHEN

2-04 FINAL FURNISHINGS TO BE DETERMINED

5-12 2-04

MULTI-USE PATH

LINCOLN HALL

AMENITY DECK TOPPING

MARINE STREET

KEY MAP

LX202 LX201

FOURTH FLOOR SITE PLAN

1" = 30'-0"

SCALE: 1" = 30'-0"

15'

30'

60'

LX101

SCALE: N.T.S.

NORTH NORTH

HUB BOULDER - ARAPAHOE | 2130 ARAPAHOE AVE. | SITE PLAN REVIEW

FOURTH FLOOR SITE PLAN

07.29.2026

LS103

2505 Walnut Street | Suite 200 | Boulder, CO 80302 | 303.442.4422 | www.sophersparn.com

CODE

DESCRIPTION

LAYOUT LEGEND

1 - PAVING & SURFACING 1-02 1-03 1-04 1-06 1-09

3-01

1-10

1-04 5-01

COLORED CONCRETE UNIT PAVERS STAIRS CONCRETE RAMP 2 OR LESS STAIRS CONCRETE CURB (SEE CIVIL)

2 - WALLS & FENCES

5-06

2-02 2-04

2-04 3-03

PLANTER BENCH LANDSCAPE PLANTER

3 - METALS

1-02

3-01 1-06

3-03

STAIR HANDRAIL STEEL EDGER

1-09

5 - FURNISHINGS 5-01 2-02

5-06

BENCH BIKE RACK

2-04

1-04

1-03

3 LS301

1-10 2-04 WATER QUALITY, RE: CIVIL

1-03

5-06

KEY MAP

LX202 LX201

BUILDING ENTRY ENLARGEMENT

1" = 10'-0"

SCALE: 1" = 10'-0"

10'

20'

LX101

SCALE: N.T.S.

NORTH NORTH

HUB BOULDER - ARAPAHOE | 2130 ARAPAHOE AVE. | SITE PLAN REVIEW

ENLARGEMENT PLAN

07.29.2026

LS201

2505 Walnut Street | Suite 200 | Boulder, CO 80302 | 303.442.4422 | www.sophersparn.com

LA OUT LEGEND 5-03 3-03

5-01 1-08 5-02 6-01 2-02 2-04

3-01

5-06

1-04

5-03

3-02

1-01

1-06

5-02 EXISTING WALL TO REMAIN EXISTING BRICK WALK TO REMAIN EXISTING TREE TO REMAIN 5-07 5-04 5-01 1-08

7-02 5-07 5-02 1-04 3-01 2-01 1-02 5-06 1-01 EXISTING CHAMPION TREES GAME LAWN PRIVATE PATIO

COURTYARD ENLARGEMENT

1" = 10'-0"

SCALE: 1" = 10'-0"

10'

20'

NORTH

CODE

1 - PAVING & SURFACING 1-01 1-02 1-04 1-06 1-08

KEY MAP

DESCRIPTION

CONCERETE PAVING (SEE CIVIL) COLORED CONCRETE STAIRS CONCRETE RAMP STONE STEPPERS

2 - WALLS & FENCES 2-01 2-02 2-04

CONCRETE SEAT STEPS PLANTER BENCH LANDSCAPE PLANTER

3 - METALS 3-01 3-02 3-03

5 - FURNISHINGS STAIR HANDRAIL RAMP HANDRAIL STEEL EDGER

5-01 5-02 5-03 5-04 5-06 5-07

BENCH CIRCULAR BENCH EGG CHAIR

6 - PLUMBING 6-01

CHASE DRAIN WITH STONE COVER LX202 LX201

7 - ELECTRICAL 7-02

TIVOLI LIGHT STRING AND POST

HAMMOCK AND POST BIKE RACK

LX101

SCALE: N.T.S.

CAFE TABLE AND CHAIRS NORTH

HUB BOULDER - ARAPAHOE | 2130 ARAPAHOE AVE. | SITE PLAN REVIEW

ENLARGEMENT PLAN

07.29.2026

LS202

2505 Walnut Street | Suite 200 | Boulder, CO 80302 | 303.442.4422 | www.sophersparn.com

07.29.2026

1 4" 1 2"

NOTE: PRE-MIX CRUSHER FINES WITH STABILIZER AND WATER TO MANUFACTURER'S RECOMMENDATION PRIOR TO INSTALLATION AND COMPACTION. COMPACT PREMIXED CRUSHER FINES AND ADJACENT PAVING STABILIZER IN (2) - 2" LIFTS TO 95% SPD

AGGREGATE BASE COURSE, COMPACT TO 95% SPD

AS APPROVED BY LANDSCAPE ARCHITECT

CONCRETE PAVING (PEDESTRIAN)

1" = 1'-0"

SAND FINISH CONCRETE PAVING

EXPANSION, CONTROL, & DECORATIVE JOINTS

1" = 1'-0"

1 1/2" = 1'-0"

SAND SETTING BED UNIT PAVERS 1" - 121" 3" MIN. 28

UNDISTURBED SUBGRADE

PAVER EDGE RESTRAINT, RE: SPECS. INSTALL PER MANUFACTURER'S RECOMMENDATION

1.8% MAX. CROSS SLOPE

8" TYP.

GEOTEXTILE FABRIC, TURN UP AT SIDES AT CURBS, CONCRETE BANDS OR PLANTING AREAS AGGREGATE BASE COURSE, COMPACT TO 95% SPD

1" - 121"

COMPACT SUBGRADE TO 95% SPD

AGGREGATE BASE COURSE, COMPACT TO 95% SPD

VARIES RE: PLANS 1 4"

SAND SETTING BED

CRUSHER FINES, RE: DETAILS 8" MIN

1 8" SAND SWEPT JOINTS

1" = 1'-0"

3 8" RADIUS, ALL TOP EDGES

2 83" MIN. FOR

STEPPER ADJACENT SURFACE, RE: MATERIAL PLANS CLASS 6 ROAD BASE

EDGING

COMPACT SUBGRADE, RE: SPECS

SPLICING STEEL STAKE, 14" LONG MIN., 30" O.C.

1 8" x 6" DEEP HOT ROLLED STEEL

NOTES: 1.

ADJACENT CONDITION SOD, GRAVEL, ETC.

SAW CUT SCORE JOINTS INTO CONCRETE CURB @ 10' O.C.

PLANTING AREA

COMPACT SUBGRADE TO 95% SPD

GEOTEXTILE FABRIC, TURN UP AT SIDES AT CURBS, CONCRETE BANDS OR PLANTING AREAS

CONCRETE CURB

1" = 1'-0"

STONE STEPPER 1" = 1'-0"

STEEL EDGER 1 1/2" = 1'-0"

WITH PAVER EDGE RESTRAINT

UNIT PAVERS ON SAND BASE

HANDRAIL

3 4"

CONCRETE STEPS WITH SAND FINISH, SEE PLAN FOR NUMBER OF RISERS

1'-6"

2' TYP.

6" 10"

FINISH GRADE

2% MIN.

EXPANSION JOINT COMPACTED SUBGRADE #4 REBAR

CONCRETE STEPS - 2 TREADS OR LESS 1/2" = 1'-0"

3" MIN. CLR, TYP.

SCALE: 1"=1'-0"

#4 REBAR AT 12" O.C. EACH WAY #4 REBAR AT STAIR NOSE, MIN 3" CLEAR COMPACT SUBGRADE TO 95% SPD

1/2" = 1'-0"

1'-6"

1.8%

11"

CONCRETE STAIRS

5 " R 16

TYP.

12" TREAD

1 8"/FT

ADJACENT CONCRETE PAVING

SECTION FOR STEPS 2 TREADS OR LESS

EXPANSION JOINT, TYP.

+/- 6" RE: GRADING PLAN

1" = 1'-0"

1 2" RADIUS, TYP.

CRUSHER FINES PAVING

#5 HORIZONTAL REBAR, CONTINUOUS, CENTERED IN BAND.

UNIT PAVERS

GEOTEXTILE FABRIC, TURN UP AT EDGES

MULCH - FLUSH WITH TOP OF EDGE

1 8" SAND SWEPT JOINTS

ADJACENT TO CONCRETE

6" STEEL EDGING, FLUSH WITH GRADE

TOP OF EDGER, FLUSH WITH ADJACENT SIDEWALKS UNLESS OTHERWISE NOTED

CONCRETE PAVING WITH THICKENED EDGE

1' MIN.

AGGREGATE BASE COURSE, COMPACT TO 95% SPD

DECORATIVE JOINT

NOTE: 1. WHERE PAVERS MEET CONCRETE PAVING: TOP OF PAVER SURFACE SHALL BE FLUSH WITH TOP OF CONCRETE SURFACE

1.8% MAX. CROSS SLOPE

NOTES: 1. ALL EDGES: 41" RADIUS TOOLED EDGE, TYP. 2. PROVIDE 1.5% SLOPE MIN. UNLESS OTHERWISE NOTED ON THE GRADING PLAN. MAX 1.8% CROSS SLOPE. 3. EXPANSION JOINTS AT 30'-0" O.C. MAXIMUM, AT SIDEWALK INTERSECTIONS AND WHERE CONCRETE PAVING ABUTS STRUCTURES, UNLESS OTHERWISE NOTED. 4. SEE LAYOUT PLAN FOR EXPANSION AND CONTROL JOINT LOCATIONS. CONTROL JOINT

PEDESTRIAN, 3 41" MIN. FOR VEHICULAR

2'-0"

1 " 2

1 4" WIDE SAW-CUT JOINT

COMPACT SUBGRADE TO 95% SPD

EXPANSION JOINT

SIDE SLOPE 3:1 MAX

1 2"

FIBER REINFORCED MESH AGGREGATE BASE COURSE, COMPACT TO 95% SPD

PREFORMED EXP. JOINT MATERIAL W/ SNAP-CAP

3" 3"

SEPARATION BETWEEN FINISHED SURFACES. ADJUST PLANTING SOIL MIX AS REQUIRED. WELDED WIRE MESH

NOTES: 1. PROVIDE 1.5% SLOPE MIN. UNLESS OTHERWISE NOTED. MAX 1.8% CROSS SLOPE. 2. EXPANSION JOINTS AT 30'-0" O.C. MAXIMUM, AT SIDEWALK INTERSECTIONS AND WHERE CONCRETE PAVING ABUTS STRUCTURES, UNLESS OTHERWISE NOTED. 3. CONTROL JOINTS AT 6'-0" O.C. MAXIMUM. 4. SEE PLAN FOR EXPANSION AND CONTROL JOINT LOCATIONS.

1 2"

12" MIN.

1/3 OF CONCRETE DEPTH

1 2" VERTICAL

COMPACT SUBGRADE TO 95% SPD

R 1" 4

SEALANT 41" BELOW SURFACE, COLOR TO BE APPROVED BY LANDSCAPE ARCHITECT.

4" MIN. CONCRETE PAVING, INTEGRAL COLOR, SAND FINISH, RE: SPECS

VARIES - SEE LAYOUT PLAN

6" MIN.

CONCRETE PAVING, SEE PLANS AND SPECS FOR FINISH AND COLOR 1 4" RADIUS TOOLED EDGE PLANTED AREA / TURF F.G.

CONCRETE SEAT STEPS SECTION 1/2" = 1'-0"

STAIR HANDRAIL 1" = 1'-0"

HUB BOULDER - ARAPAHOE | 2130 ARAPAHOE AVE. | SITE PLAN REVIEW

SITE DETAILS

07.29.2026

LS501

2505 Walnut Street | Suite 200 | Boulder, CO 80302 | 303.442.4422 | www.sophersparn.com

NOTES: 1. HANDRAIL AND RAMP TO COMPLY WITH CURRENT ADA STANDARDS. 2. CONTRACTOR TO PREPARE HANDRAIL SHOP DRAWINGS FOR REVIEW AND APPROVAL BY LANDSCAPE ARCHITECT PRIOR TO FABRICATION THAT MEET ADA GUIDELINES.

7" MIN.

4" MIN.

CONCRETE THICKENED EDGE

2 VARIES, RE GRADING PLAN

ADJACENT SURFACE, SEE PLANS 2' 24" WIDE CUT SANDSTONE, 6' LENGTH TYP. GUILLOTINE CUT ALL SIDES. RE: PLANS FOR LAYOUT

EXPANSION JOINT

1'-6"

COMPACT ANGULAR GRAVEL TO 95% SPD

HANDRAIL AT RAMP 1" = 1'-0"

C.I.P CONCRETE WALL, BOARD FORM FINISH 1 2" RADIUS ALL EDGES 4" MIN. WOOD MULCH

8" 3" MIN.

PLANTING SOIL CONCRETE RAMP CAST IN 2"X.5" JOINTS ON FACE AND TOP @ 3' O.C., TYP.

ADJACENT PLANTING AREA WITHIN PLANTER

#5 REBAR, CONT. W/ #5 REBAR TIE 16" O.C.

FILTER FABRIC, TURN UP 2" 6'

1/2" MORTAR JOINT TYP. IN ALL LOCATIONS WHERE STONE CAP PIECE ABUTS CONCRETE OR ANOTHER CAP

1'-9"

TYPICAL SECTION

(2) #6 CONT. #5 @ 18" EA. FACE (2) #6 CONT. 1'-6"

SANDSTONE BENCH 3/4" = 1'-0"

3/4" = 1'-0"

1'-221"

SANTOPRENE NO-SCRATCH

CMU PLANTER WALL

1121"

1) CORE DRILL 3" DIA MIN. HOLES 10" DEEP 2) PREPARE HOLES WITH ANCHORING CEMENT SUCH AS KWIXSET OR SUPER POR-ROK. 3) FOLLOW MANUFACTURERS DIRECTIONS REGARDING BLOWING OUT DUST AND REMOVING ANY EXCESS WATER 4) PLACE BIKE RACK INTO CORRECT LOCATION AND ADD ANCHORING CEMENT 5) WIPE AWAY EXCESS BEFORE IT HARDENS

1'-6"

AGGREGATED BASE COURSE, COMPACT TO 95% SPD CONCRETE FOOTING PER STRUCTURAL DWGS.

RECESSED LED LIGHTING 2"x4" SELECT REDWOOD GRADE A

ANCHOR STEEL FRAME INTO CMU WALL

3/4" = 1'-0"

(0.469" DIA) 2x FOR 83" REBAR 6"

STEEL FRAME

CUSTOM PLANTER BENCH - CMU WALL

1'-2"

1'-6"

NOTES:

221"

PLAN

BUILT IN SEAT - 2"x6" SELECT REDWOOD GRADE A

ADJACENT CRUSHER FINES PAVING GEOTEXTILE FABRIC, TURN UP AT EDGES

NOTES: 1. CONTRACTOR SHALL SUBMIT FULL SHOP DRAWINGS FOR LANDSCAPE ARCHITECT REVIEW AND APPROVAL PRIOR TO FABRICATION. 2. CONTRACTOR SHALL HAVE SHOP DRAWINGS REVIEWED AND APPROVED BY LICENSED STRUCTURAL ENGINEER.

NOT TO SCALE

1/2" = 1'-0"

TAPERED 14' TALL TIVOLI LIGHT POLE, RE: ELEC DWGS

BASE PLATE WITH ANCHOR BOLTS

CONCRETE SEATWALL WITH BENCH TOP

POWDER COATED BLACK, SW 6993

CONDUIT CONNECTION, RE: ELEC DWGS

TIVOLI STRING LIGHT

BUILT IN CONCRETE PLANTER

2'-9"

ANGLED TOP

NOTES: STRING LIGHT COLOR: WARM WHITE (2700 KELVIN) LIGHT SPACING: 12"

(3) #6 CONT.

2'-9"

1'-9"' WIDE X 3" THICK SANDSTONE CAP

1'-6" MIN.

C.I.P. CONCRETE FOOTER COMPACT SUBGRADE TO 95% SPD

SECTION PLAN

1" 12

3" MIN

WATERPROOF BACK SIDE OF WALL

1'-6" TYP

3' MIN.

EXPANSION JOINT, TYP.

1'-3"

UNDISTURBED SUBGRADE

1/2" = 1'-0"

COMPACT SUB-GRADE TO 95% SPD

THICKENED EDGE CONCRETE AT TOP AND BOTTOM OF RAMP, TYP. 12" SLIP DOWEL WITH EXPANSION JOINT, TYP.

COMPACT SUBGRADE TO 95% SPD

CONCRETE RAMP

INTERMEDIATE POSTS

12:1 MAX SLOP

1'-6"

CONCRETE THICKENED EDGE (TYP)

ADJACENT PAVING, SEE PLANS.

ADJACENT SURFACE, SEE PLANS

12:1 MAX

2" MIN. EDGE OF CONCRETE TO HANDRAIL BASEPLATE, ALL SIDES, TYP.

EXTEND HANDRAIL 12" BEYOND TOP AND BOTTOM OF RAMP

BOTTOM OF RAMP

EQ.

CONCRETE PAVEMENT

12" SLIP DOWEL WITH 1 2" EXPANSION JOINT

CONTINUOUS 3', TYP.

EQ.

TOP OF RAMP

EQ.

SLOPE HANDRAIL TO MATCH SLOPE OF PAVEMENT

ELEVATION

6" (6" DIA) CONCRETE FOOTER, CORE DRILLED

ISOMETRIC VIEW

MANUFACTURER: SPORTWORKS, INC. PRODUCT: WESTPORT NO SCRATCH, EMBEDDED BIKE RACK SIZE: 14.5"L x 3"W x 33"H COLOR/FINISH: STAINLESS STEEL QUANTITY: REFER TO DRAWINGS SPACING: 2'-6" O.C. TYPICAL CONTACT: 1.888.661.0555

BIKE RACK - WESTPORT NO SCRATCH, EMBEDDED 3/4" = 1'-0"

HUB BOULDER - ARAPAHOE | 2130 ARAPAHOE AVE. | SITE PLAN REVIEW

SITE DETAILS

07.29.2026

LS502

2505 Walnut Street | Suite 200 | Boulder, CO 80302 | 303.442.4422 | www.sophersparn.com

PLANTING NOTES 1. All plant materials shall meet or exceed current American Standard for Nursery Stock (ANSI Z60.1-2004) and the Colorado Nursery Act and accompanying Rules and Regulations.

12. See details and specifications for staking method, plant pit dimensions, and backfill requirements.

23. Contractor is to familiarize themself with the layout, grading, and civil engineering documents to coordinate actual location of trees and shrubs.

2. All plants will be balled and burlapped or container grown. Bare root or spaded plants will not be accepted. 3. Supply all plant material in quantities sufficient to complete the planting bed as shown on the drawings.

13. Landscape Contractor shall provide per-unit costs for every size of plant materials, and by type, as called out on planting plans. Unit cost to include the plant material itself and installation, including all labor, amendments, fertilizers, etc., as detailed and specified for each size.

4. All plants will be inspected and approved by the Owner's Representative prior to delivery to the site.

14. Landscape Contractor is responsible to do their own quantity takeoffs for all plant materials and sizes shown on plans.

24. Maintenance Statement: All landscaping shown on this plan shall be maintained in a neat and adequate manner. Required maintenance activities shall include, but not limited to, mowing of lawns, trimming of hedges, adequate irrigation, replacement of dead, diseased or unsightly landscaping, removal of weeds from planted areas, and appropriate pruning of plant materials.

5. Any proposed substitutions of plant species shall be approved by the Landscape Architect prior to delivery to the site.

15. The Landscape Contractor shall be responsible for positive drainage throughout the site with accurately set flow lines. No low spots or ponding of surface water will be accepted in final work.

6. Obtain Landscape Architects approval of finish grading prior to the start of planting.

16. Coordinate installation of large plant material with installation of wall footings, bridge abutments and pavements. Any damage to improvements by others is the responsibility of the Landscape Contractor.

7. Stake locations of all proposed trees and edges of new planting beds for approval by the Landscape Architect 48 hours prior to the commencement of planting. 8. Landscape Contractor shall be responsible for becoming aware of all underground utilities, pipes, and structures. The Landscape Contractor shall be held responsible for contacting all utility companies for field location of underground utility lines prior to any excavation. Landscape Contractor shall take sole responsibility for any cost of utility repair due to damage caused by his operations.

17. The Landscape Contractor shall allow for the addition of specified quantities of soil amendments, conditioners and mulch in soil preparation and finish grading.

9. Do not willfully proceed with construction as designed when it is obvious that unknown obstructions and/or grade differences exist that may not have been known during design. Such conditions shall be immediately brought to the attention of the Landscape Architect. The Landscape Contractor shall assume full responsibility for all necessary revisions due to failure to give such notification.

19. The Landscape Contractor shall verify soil test at his expense prior to planting and will follow test recommendations and Landscape Architect's approval for soil amendments.

18. Imported soil shall be used to supplement the existing soil as necessary to meet the finish grade requirements at planting areas.

21. The Landscape Contractor shall be responsible to furnish and install amended or imported soil in any planting areas as necessary to achieve the specified finish planting grades unless otherwise noted on plans or specs. 22. The Landscape Architect reserves the right to adjust the location of plant material during installation as appropriate to the project. For trees in the right-of-way by Builder or Contractor, adjustments of 5'-0" or more must have prior authorization of Landscape Architect.

11. See specifications for planting requirements, soil preparation testing, materials, and execution. Arrange for visit of Landscape Architect for review and approval a minimum of 48 hours prior to installation.

26. Take all dimensions perpendicular to any reference line, centerline, or back of curb. 27. Written dimensions supersede scaled dimensions. Do not scale drawings, if there is a question regarding dimension, contact Landscape Architect for verification. 28. All landscaped areas shall be irrigated with an automatic irrigation system. Lawn areas will be sprayed and shrubs will be drip irrigated. Natural areas, such as those with prairie types of grasses and native shrub species, are designed to irrigate through grow-in and then be shut off except during severe drought. Contractor shall be responsible for taps, backflow prevention and winterization systems, sleeving under paved areas and all sprinkler system components necessary for a fully functional system. Trees shall be on a separate zone from turf. 29. Street Trees shall be placed 5'-0" min from buried utilities.

20. The Landscape Contractor shall receive the specified subgrade elevation, of +/- one tenth of a foot below finish grade.

10. Landscape Contractor shall be responsible for any coordination with subcontractors as required to accomplish planting operations.

25. Take dimensions from back of curb, center line of trees, and centerline of light pole bases, unless otherwise noted.

30. All proposed landscaping in the right-of-way shall be per City Standards. Trees to be in accordance with current City Standards including approved species; family, genus and species, quantity and percentage limits; and limitations on the quantity of same-species trees in a row. Installation of trees in right-of-way to be per City detail. 31. Proposed trees in the right-of-way shall be pre-approved by the Landscape Architect and shall be a minimum of 20' from property corners at intersections, 20' from street lights, outside of 30' corner sight triangles and 10' from edge of driveways, alleys and hydrants.

PLANT SCHEDULE SYMBOL

CODE

QTY

BOTANICAL / COMMON NAME

CONT

WATER USE

TREES

SHRUBS ACE SNS

AME SHD

AME UTA

BET OCC

CAT WES

CER EAS

CRA CHR

EXI COX

GLE LOC

GYM KYC

ACER NEGUNDO 'SENSATION' SENSATION BOX ELDER

AMELANCHIER CANADENSIS SHADBLOW SERVICEBERRY

AMELANCHIER UTAHENSIS UTAH SERVICEBERRY

BETULA OCCIDENTALIS WATER BIRCH (30'HT)

CATALPA SPECIOSA WESTERN CATALPA (65'HT)

CERCIS CANADENSIS EASTERN REDBUD MULTI-TRUNK (25'HT)

2.5" CAL

2" CAL.

2" CAL

2.5" CAL

CRATAEGUS CHRYSOCARPA FIREBERRY HAWTHORN

EXI EXISTING TREE PROTECT IN PLACE

VARIES

GLEDITSIA TRIACANTHOS INERMIS 'SHADEMASTER' SHADEMASTER HONEYLOCUST (50'HT.)

2.5" CAL

GYMNOCLADUS DIOICUS ESPRESSO KENTUCKY COFFEETREE (SEEDLESS, 55'HT)

2.5" CAL

AMO NAN

146

ARC MAN

116

ARCTOSTAPHYLOS X COLORADENSIS MOCK BEARBERRY MANZANITA (1'HT)

5 GAL

LOW - MEDIUM LOW

CLE SWA

CLEMATIS TERNIFLORA CLEMATIS `SWEET AUTUMN`

5 GAL

LOW

ATR CAN

ATRIPLEX CANESCENS FOURWING SALTBUSH

5 GAL

VERY LOW LOW MEDIUM

LON HON

LONICERA PERICLYMENUM WOODBINE

5 GAL

LOW LOW - MEDIUM

CER WES

8` HT.

VERY LOW LOW MEDIUM

PAR QUI

PARTHENOCISSUS QUINQUEFOLIA VIRGINIA CREEPER

5 GAL

LOW LOW - MEDIUM

CHA FER

5 GAL

VERY LOW LOW LOW

ERI AIH

5 GAL

VERY LOW LOW LOW

EXT SHR

117

EXISTING SHRUB MIX

EXISTING

MAH REP

543

CODE

QTY

BOTANICAL / COMMON NAME

POT CIN

TUR BLU

8,792 SF

BLUEGRASS LAWN

NAT SHO

2,840 SF

NAT DET

11,627 SF

MEDIUM LOW

LOW - MEDIUM LOW

MEDIUM HIGH MEDIUM

MEDIUM -LOW HIGH

PRU PAW 8` CLUMP

VINES AMORPHA NANA DWARF LEADPLANT (2-3')

MEDIUMMEDIUM

2" CAL.

LOW

N/A

LOW - MEDIUM LOW

MAL THU

PIN BRI

PINUS ARISTATA BRISTLECONE PINE

PIN EDU

PINUS EDULIS PINYON PINE

8` HT

LOW

PRU CHO

PRUNUS VIRGINIANA SUCKER PUNCH SUCKER PUNCH CHOKECHERRY (25'HT)

2" CAL.

VERY LOW - MEDIUM MEDIUM

PYRUS CALLERYANA 'AUTUMN BLAZE' AUTUMN BLAZE CALLERY PEAR (30'HT)

QUERCUS GAMBELII GAMBEL OAK

2" CAL.

MEDIUM LOW

8` HT

LOW

ERICAMERIA NAUSEOSA SSP. NAUSEOSA DWARF BLUE RABBITBRUSH MAHONIA REPENS CREEPING OREGON GRAPE (1'HT)

MEDIUM LOW

CAM TRU

CAMPSIS RADICANS TRUMPET VINE

5 GAL

LOW LOW - MEDIUM

5 GAL

LOW

POTENTILLA FRUTICOSA SHRUBBY CINQUEFOIL (3'HT)

5 GAL

MEDIUM LOW

PRUNUS PUMILA VAR. BESSEYI SAND CHERRY (2'HT)

5 GAL

LOW

5 GAL

LOW VERY LOW LOW

5 GAL

LOW VERY LOW LOW

RHUS AROMATICA 'AUTUMN AMBER' FRAGRANT SUMAC RHUS GLABRA SMOOTH SUMAC (3'HT)

LOW

RHU ARO

RHU SMO

SYM SNO

SYMPHORICARPOS ALBUS COMMON SNOWBERRY (4'HT)

5 GAL

LOW

VER REA

228

VERONICA X 'REAVIS' CRYSTAL RIVER VERONICA

5 GAL

LOW - MEDIUM LOW

ACH HYM

173

1 GAL

LOW

BOU BLO

276

1 GAL

LOW

SOR NUT

225

1 GAL

LOW - MEDIUM LOW

SOR IND

1 GAL

LOW - MEDIUM LOW

SPO HET

126

SPOROBOLUS HETEROLEPIS PRAIRIE DROPSEED

1 GAL

LOW

SHRUB AREAS

SYMBOL

LOW MEDIUM WATER USE

GROUND COVERS

NATIVE SEED MIX SHORTGRASS AREA NATIVE SEED MIX DETENTION AREA

HIGH LOW LOW

GRASSES

MEDIUM LOW

MALUS 'THUNDERCHILD' THUNDERCHILD CRABAPPLE (20'HT)

CERCIS OCCIDENTALIS WESTERN REDBUD MULTI-TRUNK CHAMAEBATIARIA MILLEFOLIUM FERNBUSH (5'HT)

5 GAL

MEDIUM

ACHNATHERUM HYMENOIDES INDIAN RICEGRASS BOUTELOUA GRACILIS 'BLONDE AMBITION' BLONDE AMBITION BLUE GRAMA (2'HT) SORGHASTRUM NUTANS INDIAN GRASS SORGHASTRUM NUTANS INDIAN GRASS (5'HT)

PERENNIAL WATER QUALITY MEDIUM

MUH GM3

135

MUHLENBERGIA REVERCHONII UNDAUNTED ROSE MUHLY GRASS PUND01S

1 GAL

RAT CO3

119

RATIBIDA COLUMNIFERA PRAIRIE CONEFLOWER

1 GAL

ACH YAR

ACHILLEA MILLEFOLIUM COMMON YARROW 'TERRA COTTA' (2'HT)

1 GAL

GAI ARI

GAILLARDIA ARISTATA BLANKET FLOWER

1 GAL

PHL CAS

PHLOMIS CASHMERIANA CASHMERE SAGE

1 GAL

RAT COL

RATIBIDA COLUMNIFERA PRAIRIE CONEFLOWER

1 GAL

LOW

SAL GAR

SALVIA OFFICINALIS GARDEN SAGE

1 GAL

LOW LOW - MEDIUM

AMO FR3

AMORPHA FRUTICOSA VAR. ANGUSTIFOLIA FALSE INDIGO

5 GAL

LOW - MEDIUM LOW

PRU BE3

PRUNUS PUMILA VAR. BESSEYI SAND CHERRY

5 GAL

LOW

PERENNIALS PYR AUT

QUE GA2

2.5" CAL

LOW - MEDIUM MEDIUM

LOW - MEDIUM LOW

LOW

LOW LOW

LOW

SHRUBS WATER QUALITY

LOW

HUB BOULDER - ARAPAHOE | 2130 ARAPAHOE AVE. | SITE PLAN REVIEW

PLANTING SCHEDULE AND NOTES

07.29.2026

LP100

2505 Walnut Street | Suite 200 | Boulder, CO 80302 | 303.442.4422 | www.sophersparn.com

LAYOUT LEGEND PLANT SCHEDULE SYMBOL

CODE

QTY SHRUBS

TREES ACE SNS

AME ALN EXISTING TREE TO REMAIN EXISTING TREE TO REMAIN EXISTING DITCH TO REMAIN

AME SHD

EXISTING TREES TO REMAIN DETENTION, RE: CIVIL WATER QUALITY, RE: CIVIL RELOCATED ARAPAHOE HOUSE RELOCATED CHESTNUT HOUSE

DETENTION, RE: CIVIL WATER QUALITY, RE: CIVIL EXISTING MULTI-USE PATH TRANSFORMER

AME UTA

BET OCC

CAT WES

CER EAS

CRA CHR

EXISTING WALLS TO REMAIN

PRIVATE DRIVE

EXI COX

EXISTING CHAMPION TREES

GLE LOC

GYM KYC

MAL THU

MULTI-USE PATH

DETENTION, RE: CIVIL WATER QUALITY, RE: CIVIL

TRANSFORMERS

PIN EDU

QUE GA2

ATR CAN

BER LYR

CER WES

CHA FER

COR DOG

ERI AIH

ERI BUC

LYS NUM

MAH REP

571

POT CIN

PRU PAW

RHU ARO

RHU SMO

SYM SNO

SYR LIL

VER REA

228

PYR AUT

116

PIN BRI

PRU CHO

ARC MAN

LINCOLN HALL

MAIN BUILDING ENTRY

146

ARAPAHOE AVENUE BUS STOP

AMO NAN

GRASSES

VINES ACH HYM

173

CAM TRU

BOU BLO

297

CLE SWA

CAL KOR

LON HON

SOR NUT

225

PAR QUI

SOR IND

SPO HET

126

SPO DRO

13 PERENNIAL WATER QUALITY MUH GM3

WATER QUALITY, RE: CIVIL

RAT CO3

SHRUB AREAS

SYMBOL

EXT SHR

117

CODE

QTY

GROUND COVERS TUR BLU

8,792 SF

NAT SHO

2,840 SF

NAT DET

11,627 SF

135 119

PERENNIALS ACH YAR

GAI ARI

HEU SNO

PHL CAS

RAT COL

SAL GAR

MARINE STREET TRELLIS SCREEN, RE: ARCHITECTURE DETENTION, RE: CIVIL

PRIVATE PATIO, RE: ARCHITECTURE GARAGE PEDESTRIAN ENTRANCE MAINTENANCE PAD GARAGE BIKE/AUTO ENTRANCE

WATER QUALITY, RE: CIVIL

KEY MAP

LX202

LANDSCAPE PLANTING PLAN

1" = 30'-0"

SCALE: 1" = 30'-0"

NORTH

15'

30'

60'

LX201

SHRUBS WATER QUALITY AMO FR3

PRU BE3

LX101

NORTH

SCALE: N.T.S.

HUB BOULDER - ARAPAHOE | 2130 ARAPAHOE AVE. | SITE PLAN REVIEW

GROUND FLOOR PLANTING PLAN

07.29.2026

LP101

2505 Walnut Street | Suite 200 | Boulder, CO 80302 | 303.442.4422 | www.sophersparn.com

ARAPAHOE AVENUE

PLANT SCHEDULE SECOND FLOOR

RELOCATED ARAPAHOE HOUSE RELOCATED CHESTNUT HOUSE

SYMBOL

CODE

QTY

BOTANICAL / COMMON NAME

CONT

COR DOG

CORNUS SERICEA 'ARCTIC FIRE' ARCTIC FIRE DOGWOOD (3'HT)

5 GAL

ERI BUC

ERIOGONUM WRIGHTII VAR. WRIGHTII WRIGHT'S BUCKWHEAT (20"HT)

5 GAL

LYS NUM

LYSIMACHIA NUMMULARIA CREEPING JENNY (4")

1 GAL

MAH REP

MAHONIA REPENS CREEPING MAHONIA (1'HT)

1 GAL

SYR LIL

SYRINGA MEYERI 'PALIBIN' DWARF KOREAN LILAC (4'HT)

5 GAL

CAL KOR

CALAMAGROSTIS BRACHYTRICHA KOREAN FEATHER REED GRASS (3'HT)

1 GAL

SPO DRO

SPOROBOLUS HETEROLEPIS PRAIRIE DROPSEED (28"HT)

1 GAL

HEUCHERA SANGUINEA 'SNOW ANGEL' 1 GAL SNOW ANGEL CORAL BELLS (6-15"HT)

SHRUBS

MULTI-USE PATH

LINCOLN HALL

GRASSES UP DN

PERENNIALS HEU SNO

PRIVATE DECK TOPPING RE: ARCHITECTURE PATIO HOT TUB RE: ARCHITECTURE PATIO PARTITIONS RE: ARCHITECTURE

MARINE STREET

KEY MAP

LX202 LX201

SECOND FLOOR PLANTING PLAN

1" = 30'-0"

SCALE: 1" = 30'-0"

15'

30'

60'

LX101

SCALE: N.T.S.

NORTH NORTH

HUB BOULDER - ARAPAHOE | 2130 ARAPAHOE AVE. | SITE PLAN REVIEW

SECOND FLOOR PLANTING PLAN

07.29.2026

LP102

2505 Walnut Street | Suite 200 | Boulder, CO 80302 | 303.442.4422 | www.sophersparn.com

ARAPAHOE AVENUE

PLANT SCHEDULE FOURTH FLOOR SYMBOL

CODE

QTY

BOTANICAL / COMMON NAME

CONT

AME ALN

AMELANCHIER ALNIFOLIA SASKATOON SERVICEBERRY (10'HT)

8` CLUMP

BER LYR

BERLANDIERA LYRATA CHOCOLATE FLOWER (18"HT)

5 GAL

LYS NUM

LYSIMACHIA NUMMULARIA CREEPING JENNY (4")

1 GAL

SYR LIL

SYRINGA MEYERI 'PALIBIN' DWARF KOREAN LILAC (4'HT)

5 GAL

BOUTELOUA GRACILIS 'BLONDE AMBITION' BLONDE AMBITION BLUE GRAMA (2'HT)

1 GAL

TREES 4TH FLOOR STRUCTURE RE: ARCHITECTURE 4TH FLOOR SPA RE: ARCHITECTURE

SHRUBS

LINCOLN HALL

MULTI-USE PATH

4TH FLOOR POOL RE: ARCHITECTURE RAMP RE: ARCHITECTURE

GRASSES BOU BLO

MARINE STREET

KEY MAP

LX202 LX201

FOURTH FLOOR PLANTING PLAN

1" = 30'-0"

SCALE: 1" = 30'-0"

15'

30'

60'

LX101

SCALE: N.T.S.

NORTH NORTH

HUB BOULDER - ARAPAHOE | 2130 ARAPAHOE AVE. | SITE PLAN REVIEW

FOURTH FLOOR PLANTING PLAN

07.29.2026

LP103

2505 Walnut Street | Suite 200 | Boulder, CO 80302 | 303.442.4422 | www.sophersparn.com

TREE FENCING SHALL BE A MINIMUM OF 4' HIGH ORANGE POLYETHYLENE LAMINAR SAFETY NETTING

CANOPY DRIP LINE

PROTECTIVE FENCING DURING CONSTRUCTION

POSTS SETTING TO 2' IN GROUND MADE OF DURABLE METAL "T" OR EQUIVALENT

EVERGREEN TREE

TREES 3'' CLP TREES UNDER AND UP 3'' CLP STAKING PLAN

DECIDUOUS TREE

OPPOSITE SIDE SAME OPPOSITE SIDE SAME

AERATION BEFORE, DURING AND AFTER CONSTRUCTION

NOTES: 1. WRAP TRUNK WITH 4'' TREE WRAP PER SPECIFICATIONS. 2. SEE SPECS FOR PLANTING OF VINES AND GROUND COVERS. 3. DETAIL IS TYPICAL IN INTENT ONLY.

TRUNK PLUMB AND STRAIGHT 8" GREEN STEEL TEE POSTS WITH BLADE ON TREE SIDE

SECTION

MULCHED, SOD-FREE BASE AROUND TREES PER SPECIFICATIONS

FENCE LOCATION AT DRIP LINE OR 15' FROM TRUNK, WHICHEVER IS GREATER AND SHALL ENCLOSE TREE

SEE SECTION

RUN DOUBLE STRAND 12 GAUGE WIRE THROUGH GROMMETS IN 2'' NYLON STRAP. RUN WIRE TO POST AND TWIST FOR SLIGHT TENSION PROTECTIVE CAP SECURED TO STAKE DECIDUOUS SHRUB

PLANT PIT TWO TIMES LARGER THAN BALL DIAMETER ROOT BALL TO BE 2'' ABOVE FINISHED GRADE

BACKFILL FINISH GRADE WITH SOD OR MULCH, SEE PLAN BALL

PLAN

EVERGREEN SHRUB

BACKFILL

BALL

PLANT PIT TWO TIMES LARGER THAN BALL DIAMETER. ROOT BALL TO BE 1'' ABOVE FINISHED GRADE

UNDISTURBED SUBGRADE REMOVE ALL FOREIGN MATERIALS FROM TRUNK AND BALL FOLD BACK TOP HALF OF UNTREATED BURLAP

PROTECTED ROOT ZONE AND DRIP LINE

1" = 1"

TREE AND SHRUB PLANTING DETAIL

NOT TO SCALE

TREE STAKING AND GUYING PLAN 1/2" = 1'-0"

SET ORNAMENTAL GRASS TO SPECIFIED TRIANGULAR SPACING RE: PLANT SCHEDULE

PLANT CROWN 1" ABOVE FINISH GRADE 3" DEEP WOOD MULCH RE: SPECS

12"

EDGE OF HARDSCAPE, WALL, PLANTER BED OR HEADER (REFERENCE PLANS)

1 2P

NOTE:INCORPORATE LIQUID ROOT STIMULANT AS PART OF PLANTING OPERATION

2 X ROOTBALL DIAMETER

1 2P

FOR TRIANGULAR SPACING OF SHRUBS, PERENNIALS AND GROUNDCOVERS. SEE PLANT SPACING DISTANCE.

PLANTING MIX SCARIFY SIDES OF HOLE PRIOR TO BACK-FILLING REMOVE PLANT FROM CONTAINER OR PEEL BACK BURLAP AND REMOVE TWINE / WIRE FROM ROOT BALL AFTER 23 BURIED IN PIT. PLACE ON UNDISTURBED SUBGRADE

SHRUB PLANTING 1/2" = 1'-0"

ORNAMENTAL GRASS PLANTING 1" = 1'-0"

SHRUB AND PERENNIAL SPACING

P TRIANGULAR 4" 6" 8" 10" 12" 18" 24" 30" 3' 4' 5' 6'

R ROW 3 7 16" 5 14" 7" 8 3 4" 10 3 8" 1'-3 5 8" 1'-8 3 4" 2'-2" 2'-7" 3'-5 12" 4'-4" 5'-2 3 8"

AREA PER PLANT SQ.FT. .096 .22 .385 .60 .87 1.95 3.46 5.42 7.80 13.84 21.65 31.20

3/8" = 1'-0"

HUB BOULDER - ARAPAHOE | 2130 ARAPAHOE AVE. | SITE PLAN REVIEW

PLANTING DETAILS

07.29.2026

LP501

2505 Walnut Street | Suite 200 | Boulder, CO 80302 | 303.442.4422 | www.sophersparn.com

Attachment B - Site Review Written Statement

MEMORANDUM To: From: Project: Date:

Charles Ferro, Land Use Review Manager - CITY OF BOULDER Adrian Sopher - SOPHER SPARN ARCHITECTS LLC HUB BOULDER ARAPAHOE – 2130 Arapahoe Avenue 21 January 2026 Revised 15 April 2026 Revised 27 May 2026Revised 5 August 2026

Re: WRITTEN STATEMENT – Site Plan Review Submittal This document is a written statement describing the proposed student housing rental project, located at 2130 Arapahoe Avenue Boulder, CO. This document outlines how the application meets all applicable review criteria and is being submitted for the City of Boulder’s Site Review application requirements.

PROJECT VISION The proposed project envisions the thoughtful transformation of the current Naropa University campus into a vibrant, purpose-built community for student living. Centered around the historic Lincoln Hall, the design respects the past while creating a forward-looking environment tailored to student life. Framed by a U-shaped configuration of contemporary new buildings, the project will offer approximately 135 residential units in a variety of 2 to 6-bedroom layout, supporting both individual and shared living preferences. More than just housing, the development is designed to foster connection, wellness, and academic focus. A host of on-site amenities including a pool deck, a fitness room, and a dedicated study lobby - will be housed within the larger of the new buildings, offering students a holistic live-learn experience just steps from home. Located along Arapahoe Avenue, directly adjacent to future planned university housing and just north of the CU Boulder campus, the site is ideally positioned to serve the next generation of students. This redevelopment aspires to create not only a place to live, but a true community hub—integrating architectural heritage with modern student needs in a dynamic and enduring way.

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Anticipated Development Schedule (All dates are targets and subject to change) Site Review Completion: Tec Doc Review Completion: Building Permit Issued: Construction Start: Construction Completion:

September 2026 August 2027 February 2028 February 2028 February 2030

PLANNING CONSIDERATIONS Land Use Map Change The property at 2130 Arapahoe Avenue has historically served as a Naropa University campus. Naropa has decided to sell the property due to changing institutional needs and a shift toward hybrid and virtual learning, reducing the need for continued use of this site. During the 2015–2016 Boulder Valley Comprehensive Plan update, the site’s Land Use designation was changed to Public based on the assumption of Naropa’s long-term occupancy as an educational institution. City staff and City Council supported the designation at that time to recognize the campus’s public-serving function. Naropa’s departure represents a material change from the conditions that supported the public designation. The applicant therefore requests a Land Use Map Change from Public to High Density Residential. A more detailed description of the request is provided in the Written Statement submitted with the Rezoning application (LUR2025-00034).

The site is located adjacent to the University of Colorado campus in an area identified for higher-density residential growth, particularly student-oriented housing. Redevelopment of the site for multifamily residential use would align with the city’s strategy of concentrating on student housing near campus and reducing pressure on nearby lower-density neighborhoods, including Goss-Grove. The existing Public Land Use designation limits residential development to six dwelling units per acre, making multifamily housing infeasible on this site. A High-Density Residential designation better reflects current conditions, supports city housing objectives, and is consistent with surrounding land use patterns and BVCP growth policies.

Rezoning With Naropa University’s departure from the site and the city’s identified need for housing—particularly in this location adjacent to the University of Colorado—the existing Public Zone District is no longer appropriate. While Public zoning allows unlimited floor area for nonresidential uses, it limits residential development to six dwelling units per acre, resulting in significant underutilization of the property and making multifamily housing infeasible. Upon approval of the requested Land Use Map Change to High Density Residential, the current public zoning would no longer be consistent with the Boulder Valley Comprehensive Plan map. Rezoning the property to RH-5 is therefore necessary to bring the zoning into conformance and to support the city’s housing goals for this area

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south of Arapahoe Avenue. A more detailed description of the request is provided in the Written Statement submitted with the Rezoning application (LUR2025-00034). The RH-5 zoning designation, allowing up to 1.5 FAR, aligns with the city’s long-standing strategy of concentrating on student housing near the CU campus while limiting impacts on nearby single-family neighborhoods. This designation is consistent with surrounding high-density zoning districts and with recent and planned development associated with the University of Colorado Campus Master Plan. In summary, rezoning the property from Public to RH-5 High Density Residential supports the proposed land use, responds to evolving conditions in the campus-adjacent area, and is consistent with Boulder Valley Comprehensive Plan policies and city housing objectives.

Floodplain Impacts The entire site is in the 100yr floodplain, which requires the finished floor to be raised at least 2’ above the Base Flood Elevation (BFE) in some areas this resulted in a finished floor that is almost 6’ above the grade. See separate flood narrative for further information.

Public Right of Way Vacation The applicant is requesting a Vacation of a portion of the Public Right of Way where Marine Street dead ends into the applicant’s property.

The portion of the Marine Street right-of-way proposed for vacation is no longer necessary to serve its original public purpose. Originally dedicated for vehicular access and related infrastructure, changes in site configuration, surrounding development, and circulation patterns have rendered this segment functionally obsolete. It does not provide through access, is not needed for vehicular circulation, and is not required to support pedestrian, bicycle, or transit connectivity. Existing public streets, sidewalks, and multimodal facilities adequately serve the area. The right-of-way contains a sanitary sewer easement, which would be retained, ensuring continued city access and utility function. Vacation of this portion of the Marine Street right-of-way is consistent with the Boulder Valley Comprehensive Plan and the city’s land use regulations and satisfies the criteria under Section 8-6-9(c)(3)(B) by providing a greater public benefit than retaining the property in its current condition. Vacation allows for a more cohesive and functional site design that supports efficient land use, compatible infill development, and high-quality urban design. Incorporating the vacated area into the adjacent property clarifies the transition between the public street and private access drive and enables improved building access and streetscape design. In contrast, retaining the right-of-way results in an underutilized and fragmented area that does not meaningfully serve a public purpose and detracts from the overall functionality and visual quality of the corridor.

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EXISTING CONDITIONS The 2130 Arapahoe Avenue property in Boulder is currently one of the two campus locations of Naropa University, a private, nonprofit liberal arts institution. The existing site includes approximately 16 buildings organized haphazardly around the Landmarked Lincoln Hall at the center of the site. At the time of Concept Review, City Landmark Staff identified that two of the existing buildings, Arapahoe House and Chestnut House, had the potential for Landmark Designation Eligibility. These buildings are proposed to be relocated to the west edge of the site to accommodate the new shared campus walk designed to align with 21st street. And a separate Landmark Alteration Certificate Application has been submitted see HIS2026-00046 & HIS2026-00045. The buildings are interspersed by green spaces and contain three sycamore trees and one oak tree that are identified as Colorado “Champion” trees. These trees will remain and be protected throughout the construction process. The proposed redevelopment will maintain several of the open lawn areas and various paths through the site, to maintain a campus like feel. Currently, an internal private drive connects Arapahoe Avenue south to Grandview Avenue and to the parking lots on the south side of the property. The proposed redevelopment will include removing the existing surface parking and relocating the private drive to the west.

SITE DESIGN The proposed site design is guided by a clear set of principles that emphasize connectivity, sensitivity to context, and a strong campus identity. First and foremost, the layout and circulation patterns are intentionally organized to foster a campus-like atmosphere, creating meaningful connections between the University of Colorado campus to the south and the Goss Grove neighborhood to the north. A primary focus of the design is the respectful integration of Lincoln Hall and the preservation of the site's Champion Trees. The new apartment building is arranged in a U-shaped configuration that frames Lincoln Hall and preserves the central courtyard, allowing this open space to serve as a landscaped, multifunctional gathering area that reinforces the campus character. The new building footprints are carefully placed to respect the historic northern boundary established by the Chestnut House and Administration Hall, ensuring that no new massing extends much further north along Arapahoe Avenue than these existing structures. Along the northern edge of the site, a 3- to 4-story walk-up style townhome building has been introduced to reflect the scale and residential rhythm of the adjacent Goss Grove neighborhood. Meanwhile, the west wing of the apartment building features ground-level amenity spaces oriented toward Arapahoe Avenue, activating the public realm and fostering

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engagement with the broader community. To support pedestrian connectivity, a shared campus walk runs along the west side of the apartment building. This pathway offers direct access to the main building entry, establishes a link to the CU campus, and connects northward to Pearl Street via 21st Street, through a proposed new pedestrian activated crossing at Arapahoe Avenue - strengthening the site’s integration into the urban fabric.

BUILDING DESIGN The design of the new buildings is intended to reference and complement the landmarked Lincoln Hall, as well as relate to the residential neighborhoods to the north through a thoughtful interpretation of massing and materials resulting in a context-sensitive development. Lincoln Hall was constructed in 1903 by Boulder architect Watson Vernon and served as the Lincoln School for decades. It is a prime example of school buildings constructed in Boulder around the turn of the century. Designed mostly in the colonial revival/Late Victorian Institutional style, it has a strongly symmetrical form with a projecting front entry bay crowned by a central tower capped with a conical roof. The main material is red brick accented by light colored stone sills and trim and the double hung sash windows are arranged in pairs in a uniform grid pattern.

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The Townhome and Main Buildings flanking either side of the historic structure embody a contemporary infill approach with modern influences. Their design is intended to thoughtfully blend old and new, using brick cladding on the lower levels to create a visual connection with the historic core, while cementitious siding on the upper floors introduces a sleek, modern contrast. The rooflines are flat with angular gabled forms, subtly echoing the peaks of traditional houses but with a minimalist, refined execution. The façades are composed of rhythmic vertical bays, defined by consistent window groupings, contrasting and complementary materials, creating a sense of order and visual interest. Recessed entryways with protruding porch elements add depth, and a human scale to the overall massing, ensuring the buildings feel approachable and well-integrated into their surrounding context.

VIEW LOOKING SOUTH FROM ARAPAHOE AVE

VIEW FROM ARAPAHOE - SITE PERMIABILITY

The west wing of the main building facing Arapahoe Avenue contains the primary amenity spaces for the development, including a communal lobby space, fitness center, and leasing office on the main level. An outdoor pool deck and interior gathering space is located on the 4th level of this wing and has expansive views to the west and north. Extensive glazing on the ground floor introduces transparency and activates the pedestrian level, while metal accents at window frames and railings provide a contemporary contrast to the traditional red brick. The main building entrance is defined by a protruding canopy, supported on one edge by a decorative slat wall element, and extra tall entry doors surrounded by glazing.

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The south and east wings of the Main building contain residential units on the ground level at the perimeter, and three levels above the parking garage which is located centrally and internal to the building. These elevations are articulated into a series of stepped volumes, creating variation in depth and scale along the long façade, which helps to break down the mass and introduce a more pedestrian-friendly scale. Large vertical windows are grouped in consistent bays, bringing in natural light and reinforcing a clean, vertical rhythm. The integration of balconies and recesses further animates the exterior, offering private outdoor space and visual depth.

VIEW LOOKING SOUTHEAST FROM ARAPAHOE AVE

PARKING/VEHICULAR ACCESS Primary vehicular access to the site is currently provided from Arapahoe Avenue via 20th Street and Marine Street. A secondary, private drive aligned with Grandview Avenue functions primarily as a pedestrian and bicycle route, offering limited, service access to a few campus buildings while connecting Arapahoe Avenue to the southern portion of the site and the CU campus beyond. The proposed site plan maintains the historic vehicular circulation pattern via 20th and Marine Streets for primary parking access, while introducing key improvements to enhance connectivity and reduce traffic conflicts. Notably, the existing private drive aligned with Grandview Avenue is proposed to be relocated westward to align with 21st Street. This strategic shift will simplify traffic flow along Arapahoe Avenue, strengthen connections to downtown Boulder, and reinforce a more intuitive campus circulation.

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While this relocated shared campus walk will serve as the main vehicular access point to the development’s primary entry, it is intentionally designed as a shared, pedestrian-prioritized space. Vehicular access will be limited to one way southbound only, and no left turns allowed from Arapahoe. Design elements will discourage through traffic and emphasize a safe, walkable environment.

Figure 1: CAMPUS WALK EXAMPLES

As noted previously, another key improvement proposed is the vacating a portion of the Marine Street right-ofway. Which is intended to clarify the transition between the public street and private access drive and enable improved building access and streetscape design. The project is intended to be a student housing facility located .5 mile from the CU campus (10 min walk, 5 min bike ride), .3 miles from the shopping center on Arapahoe & Folsom Street (5 min walk, 3 min bike ride) and 1 mile from Pearl Street (15 min walk, 5 min bike ride). These are just a few examples of how the site location and use support the parking amounts proposed. The applicant has built several other student housing developments of comparable size and has determined that the optimal number of parking spaces is 15% of the bed count and typically the parking is used more for long-term storage than daily trips.

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BICYCLE PARKING & ACCESS The proposed development has multiple existing and proposed bicycle friendly access points. From the north, a new pedestrian/bike activated signalized crossing aligned with 21st street provides access from the Goss Grove Neighborhood, and along the east edge of the site there is an existing multiuse path. Primary access to long term bicycle parking is through designated and secure entry into the parking garage at the south side of the site, which is the most direct route to the CU campus.

Bicycle parking requirements per Table 9-4 are 2 spaces per residential unit, with 75% required to be long term, and 25% short term. The project has a total of 135 units, so 274 bicycle parking spaces are required. To support student housing use and further reduce the need for vehicle parking, additional spaces above the required will be provided.

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EMERGENCY VEHICLE ACCESS Emergency and fire access to the site has been carefully integrated into the overall design to ensure safety, efficiency, and ease of response. The primary access point for emergency vehicles will be via the shared campus walk along the west side of the site. This drive has been engineered to accommodate fire trucks, including sufficient width and clearance for vehicle maneuvering and the deployment of outriggers, if required. It also provides direct access to the building’s main lobby—an ideal location for assisting residents and facilitating swift emergency response. To enhance coverage, an additional fire access lane is proposed along the southern edge of the site as an extension of Marine Street. This route offers improved access to the southeast corner of the development, ensuring emergency personnel can reach all areas of the building quickly and effectively.

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(1) 2015 BOULDER VALLEY COMPREHENSIVE PLAN (BVCP) CRITERIA (A) BVCP Land Use Map and Policies: The proposed project is consistent with the BVCP land use map and, on balance, with the goals and policies of the BVCP particularly those that address the built environment. In applying this, the approving authority shall consistently interpret and apply this criterion and consider whether a particular goal or policy is intended to be applied to individual development projects or is to guide city policy decisions, such as regulatory actions. The BVCP does not prioritize goals and policies, and no project must satisfy one particular goal or policy or all of them. Specific examples of how the proposed project is consistent with the BVCP Map and on balance with the goals and policies are provided below: 2.10 Preservation & Support for Residential Neighborhoods: The city will seek appropriate building scale and compatible character in new development or redevelopment, appropriately sized and sensitively designed streets and desired public facilities and mixed commercial uses. The proposed development is designed to preserve and reinforce the existing campus character while remaining compatible with the surrounding residential neighborhoods. Building scale and massing are carefully calibrated to respect the context, with maintained setbacks along Arapahoe Avenue that preserve visual openness, existing landscape patterns, and the established streetscape rhythm. Generous greenspace is integrated throughout the site to support a campus-like environment, provide buffers to adjacent uses, and enhance neighborhood livability. The townhome building is intentionally designed to relate to the nearby single-family residential neighborhood through its residential scale, articulated façades, and individual units with direct access to the street via front porches. This approach promotes a familiar neighborhood pattern, encourages pedestrian activity, and creates a clear transition between campus-oriented development and surrounding residential uses. Streets, open spaces, and building orientations are sensitively designed to support walkability and reinforce neighborhood character 2.25 Improve Mobility Grid & Connections: The walkability, bike ability and transit access should be improved in parts of the city that need better connectivity and mobility, for example, in East Boulder. This should be achieved by coordinating and integrating land use and transportation planning and will occur through both public investment and private development. The proposed development maintains the existing walking, biking and bus connections that exist today to the CU Campus to the south and the retail centers to the east. The connection to downtown has been improved by relocating the shared campus walk to align with 21st street, and installing a pedestrian activated crossing. 21st street has an established pedestrian and biking route through the Goss-Grove neighborhood, to a pedestrian activated crossing at Canyon, and on to Pearl Street. 2.36 Physical Design for People: The city and county will take all reasonable steps to ensure that public and private development and redevelopment be designed in a manner that is sensitive to social, health and psychological needs. Broadly defined, this will include factors such as accessibility to those with limited mobility; provision of coordinated facilities for pedestrians, bicyclists and bus-riders; provision of functional landscaping and open space; and the appropriate scale and massing of buildings related to neighborhood context. The proposed development is designed with a strong emphasis on human-scaled environments that support social interaction, health, and overall well-being. Universal accessibility is integrated throughout the site, with barrier-free pedestrian routes, compliant building entries, and accessible connections to transit, ensuring mobility for users of all abilities. See accessible routes added to the circulation diagram on A009. The project provides coordinated and clearly defined facilities for pedestrians, bicyclists, and bus riders, including enhanced sidewalks, shared-use paths, bicycle connections, and convenient access to nearby transit stops. These elements promote active transportation, reduce reliance on vehicles, and support daily physical activity. Functional landscaping and thoughtfully distributed open spaces are incorporated to provide areas for gathering, recreation, and respite, while also contributing to visual comfort, shade, and environmental quality.

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Building scale and massing are carefully calibrated to respond to the surrounding neighborhood context, with articulated façades, appropriate setbacks, and transitions in height that reinforce a pedestrian-friendly character. Collectively, these design strategies create a cohesive, inclusive, and people-centered environment that supports the social, physical, and psychological needs of the community. 2.37 Environmentally Sensitive Urban Design: For capital improvements and private development, the city and county will strive to ensure that buildings, streets, utilities and other infrastructure are located and designed to protect natural systems, minimize energy use, reduce urban heat island effects and air and water pollution and support clean energy generation. The project is designed with a strong focus on environmental stewardship, particularly in preserving existing natural assets and minimizing ecological disruption. Several mature trees on the site were evaluated by a certified arborist, whose recommendations guided the design process. As a result, five significant trees will be preserved, and the placement of new buildings was carefully planned to avoid intrusion into their canopy and root zones as much as possible. To further reduce environmental impact, all resident parking will be located within an on-grade garage beneath the main apartment building. This strategy consolidates impervious surfaces, minimizes heat island effects, and maintains more open, landscaped areas throughout the site. Additional sustainability measures include enhanced stormwater management, with new detention areas planned for both the north and south ends of the property. These systems will be supported by water quality raingardens strategically placed across the site and planted with bio retentive species to naturally filter runoff. Landscaping will feature drought-tolerant, low-water-use plants to reduce long-term irrigation needs and promote climate resilience. 2.41 Enhanced Design for all Projects b. The Context: Projects should become a coherent part of the neighborhood in which they are placed. Special attention will be given to protecting and enhancing the quality of established residential areas that are adjacent to business areas. The context surrounding the proposed development is dominated by CU student Housing to the South, and the Goss-Grove Neighborhood to the north. While the scale, density, and building height of the project most closely aligns with the existing and proposed student housing, efforts have been made to relate to the Goss Grove neighborhood across Arapahoe through the incorporation of protruding porch elements, residentially scaled roof forms, and complementary materials. See also the response to 2.10. c. Relationship to the public realm: Projects should relate positively to public streets, plazas, sidewalks, paths and natural features. Buildings and landscaped areas—not parking lots—should present a well-designed face to the public realm, should not block access to sunlight and should be sensitive to important public view corridors. Future strip commercial development will be discouraged. Buildings along Arapahoe Avenue maintain established setbacks and are oriented to face the street, creating a consistent and pedestrian-supportive street edge while preserving access to sunlight and avoiding obstruction of important public view corridors. Long-term parking is fully enclosed within the building, and limited shortterm parking is screened with landscaping to ensure that buildings and landscaped areas—not parking—define the public experience. The sitting and massing respect significant natural features, including the landmarked Lincoln Hall and existing champion trees, allowing these elements to remain prominent and visible within the public realm. Entrances and amenity spaces are strategically located to activate sidewalks and the proposed campus walk. See Section (3) Building Siting and Design Criteria of the site review requirements for additional detail. e. Transportation connections. Projects should provide a complete network of vehicle, bicycle and pedestrian connections both internal to the project and connecting to adjacent properties, streets and paths, including dedication of public rights-of-way and easements where required. Internal circulation prioritizes safe and direct pedestrian and bicycle movement through a system of connected paths that link buildings, open spaces, and key access points, while also tying directly into the existing multiuse path along the east edge of the property. These connections strengthen access to the University of Colorado

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